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The Nonsuch Expeditions

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Blog > 2025/26 Season

WHERE ARE OUR FISH? Opinion Piece From the Royal Gazette by J-P Rouja

April 23, 2026 JP > Nonsuch Expeditions

REPRINT of Royal Gazette Opinion Piece by Nonsuch Expeditions Founder J-P Rouja

REPRINT of Royal Gazette Opinion Piece by Nonsuch Expeditions Founder J-P Rouja

Bermuda's government has an opportunity to do something historic — to commit to stronger marine protections and secure the future of our ocean for generations to come. I am writing to make the case, simply and directly, that it must seize it.

After I moved back home in 2000, I began organising expeditions for visiting film crews and had the privilege of working alongside some of the world's most renowned marine conservationists. A comment I heard repeatedly from divers who have explored ecosystems across the globe — people such as Sylvia Earle and the Cousteaus — stayed with me: “Nice corals, but where are your fish?”

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CahowCam2 "Who's the Daddy" chick health check.

April 19, 2026 JP > Nonsuch Expeditions

The CahowCam2 chick is growing well, however its paternity is once again in question.

It is the 16th chick that Sampson the resident male has raised, and the second with his new mate after the first disappeared 3 years ago. The CahowCam camera installed in its burrow enabled the team to observe x-pair mating between this new younger female and other males prior to Sampsons return for the past 2 years, resulting in violent and perhaps even fatal eviction of the interlopers.

Local Genomics NGO BioQuest conducted a paternity test on Last year’s chick “Inna” and will do so again this year once we obtain blood samples before it fledges.

Stay tuned for a talk where the “Who’s the Daddy” results will be revealed and how this genomic population study may re-write what is known about the breeding behaviours of this once thought to be monogamous species.

Please sign up to our Newsletter and select the films / event option for an invitation.

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Meet the Record Breaking Number of Easter Chicks on Horn Rock

April 5, 2026 JP > Nonsuch Expeditions

Happy Easter from J-P, Jeremy and all of our fuzzy Cahow chicks!

Join us for a rare tour of neighbouring Horn Rock, currently home to the largest Cahow sub-population, (which the expanding Nonsuch Colonies are projected to takeover in the next few seasons), where this visit revealed a record number of 28 chicks!

The Instagram and YouTube videos below have highlights from the all day visit in early April and introduces a dozen of the chicks as our Easter gift.

View this post on Instagram

A post shared by Nonsuch Expeditions Bermuda (@nonsuchexpeditions)

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Where have all our Sharks Gone? Watch “Shark Country”, featuring Teddy Tucker.

April 4, 2026 JP > Nonsuch Expeditions

PLEASE WATCH THIS FILM

One of the starkest examples of change on our reef is the disappearance of the once ubiquitous sharks.

Teddy Tucker has been described as a Bermuda National Treasure. Peter Benchley, author of Jaws and The Deep, described his close friend, Teddy as a walking encyclopedia: 'A master of every discipline having to do with history and the ocean. One of the great autodidacts in the history of science.’

Teddy mused that: ‘a day not spent in the underwater world, a day not spent diving, would seem to me a day lost, wasted and empty’. This love of the ocean was married to a hunger for knowledge, a sharp mind and a photographic memory.

Teddy Tucker, best known as a shipwreck hunter and underwater explorer was first and foremost a fisherman. On a fishing trip in 1994 he was asked for his thoughts on changes he had witnessed over his time fishing off Bermuda. One of the starkest examples of change on the reef is the disappearance the once ubiquitous sharks.

Other fishermen and hunters share their observations of further change they have experienced over the past 30 years. Together with Teddy they stand as witnesses to the decline in Bermuda's marine environment gleaned over years of consistent free diving and scuba diving on the island's reef.

Jean-Pierre Rouja > Nonsuch Expeditions Founder: “The almost complete disappearance of sharks from Bermuda’s eco-system as highlighted in this film, simply can’t be ignored.

Despite all of the ongoing debates regarding how much of, and how best to protect the remaining life that we have left in our waters, there should be no question that we are far worse off now than we were a generation ago.

However, the challenge with personally observing changes in the ocean is that each successive generation has a shifting baseline of what is normal, and even then we don’t always notice gradual changes over time. Whilst those of us who spend time on and under the water will have seen changes within our lifetimes, predominantly for the negative, (though at times positive with recoveries possible when reasonable rules are put in place and enforced), no one can deny the fact that we no longer have sharks on our reefs, along with the cascading impact of losing these Apex predators…

Though obviously not to the same degree, I personally have seen this, which is one of the reasons I am so involved in ocean conservation today. I spent my teenage summers in the late 70’s’s working on one of the last large fishpot vessels, and at the time after hauling up our offshore Argus and Challenger seamount fish pots we often had to speed to the next location to get away from the sharks that were following us for fear that they might accidentally interfere with our gear when we dropped it back over… Even at that time though, we rarely, if ever, saw them on the reef platform.”

* The original post was made in March 2024

Our condolences to the Tuckers for the passing of Edna.


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BioQuest Cahow population study expected to unlock the secrets of rare Cabit mutation.

April 1, 2026 LookBermuda

A very rare Cabit chick (a Cahow / Rabbit hybrid) has once again been seen on Nonsuch Island!

Shorty after Bermuda was settled in 1609 the Cahow population, already in decline was put under immense pressure by rats and the harvesting of eggs and birds by settlers for food, to the point that by 1620 they were thought to have gone extinct.

They were not seen again for 330 years until they were rediscovered in the 1950’s, having survived a near-bottleneck extinction event which is now thought to have resulted in cross species heterozygous offspring.

Historically rabbits from nearby Hen Island must have swum over to Nonsuch Island at some point pior the Airport being constructed in the 1940’s (which now separates the islands), and prior to the Cahows' rediscovery in 1951, when they were down to the last few pairs and forced to resort to hybridization to ensure their survival.

The gene for the ears has become recessive, only appearing every few generations (with the offspring named a "Cabit"), however all chicks in the colony still hatch with soft grey rabbit type fur instead of feathers, which they then molt prior to fledging. The Cahows have also retained the habit of nesting in deep underground burrows which they spend several seasons excavating with their mate.

Nonsuch Expeditions Founder J-P Rouja: This type of mystery is best resolved by Genomics and is one of the reasons why I co-founded BioQuest with Dr. Carika Weldon. Our local Lab and all local Team leverages genomics for conservation, and one of our signature projects the Cahow Genomic Population Study through which we aim to sequence the entire species, will help us identify which genes are at play here…

Dr. Carika Weldon Founder CariGenetics: “In biology a hybrid is mix of two animals or plants of different breeds, varieties, species or genera. Using genetics terminology, hybrid is synonymous with heterozygous: any offspring resulting from the breeding of two genetically distinct individuals.

J-P Rouja “Back in the 1970's when I was a cub-scout we used to go camping on Hen Island in St. Georges which was still overrun with rabbits. Prior to the Airport being built in the 1940's it would have been a relatively easy swim for them to reach Nonsuch. We spent today trying to catch one so that we could take a DNA sample, however they are just too fast. Fortunately the CahowCam documented one back in 2017 so we have further proof of their existence.”

*AI Notice: Ai was NOT used to generate these images, the first sightings were in 2017 which pre-dates those capabilites. We are old-school and used photoshop, as opposed to the glue gun which matted the chicks fur :)

Watch Live Video from the nest here.

3 Comments

Meet the 2026 CahowCam2 Chick

March 15, 2026 JP > Nonsuch Expeditions

On March 14th Jeremy and JP were able to get out to Nonsuch and meet the newly hatched CahowCam2 chick, watch the video here.

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Hatching Highlights from the 2026 CahowCam2 Chick

March 14, 2026 JP > Nonsuch Expeditions

Here are video Highlights of the hatching and first 18 hours of the new CahowCam2 chick’s life…

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The CahowCam2 chick has hatched!

March 13, 2026 JP > Nonsuch Expeditions

First revealed by Sampson @3:17am on March 13th, one of the rarest chicks in the World hatched today, witnessed by our online LiveStream followers who had been waiting patiently for the past 5 days since the first “pip” was revealed on March 8th…

Video replay coming soon… Watch The LiveStream here:

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CahowCam2 Hatching Day 4

March 12, 2026 JP > Nonsuch Expeditions

Egg crack revealed on March 12th

 
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CahowCam2 Hatching Day 1

March 8, 2026 JP > Nonsuch Expeditions
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CahowCam2 Hatching countdown and chick count update.

March 7, 2026 JP > Nonsuch Expeditions

UPDATE> March 12th | 10am still no reveal, however Sampson is increasingly agitated and keeps refreshing the nest and checking under his belly, all indications that hatching is underway…

UPDATE> March 8th | When checked today the egg had already started pipping, earlier than expected! So if all goes well it is expected to hatch in the next 24-72 hours…

The countdown is in for the LiveStream hatching of the CahowCam2 chick, which is now projected to hatch by March 10th, so please keep watching the LiveStream page or the realtime video mirrored below. The CahowCam1 pair’s egg unfortunately failed this year, but the cameras have revealed the potential causes and associated behaviours…

As a repeat of last season’s “Who’s the Daddy” drama, its mother once again arrived earlier than Sampson for their fall courting and nest building period and engaged with another male for a few days of “ex-pair mating” before he was violently evicted upon Sampson’s return. The potential chick’s paternity is therefore in question which will be addressed through a paternity test as part of the genomic population study being conducted by BioQuest, which is revealing insights into the hidden behaviors of this traditionally thought to be monogamous species…

The above egg was one of the last to be laid this season with the majority throughout the colonies already having hatched or being well underway. As of last count both the Nonsuch and Horn Rock colonies each had at least 17 confirmed chicks with at least 5 more accessible eggs being still viable with many having started pipping, as seen in the video below.





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Meet the first 2026 Nonsuch Cahow Chicks!

March 3, 2026 Jeremy Madeiros

JP and I have been able to get out to Nonsuch Island twice in the last 10 days, this is an important time in the breeding cycle of Bermuda's endangered national bird, the Cahow. It is important as this is when the eggs are hatching, so that you finally find out what the chick numbers will be this year.

Jeremy, JP & Mark Blaxter

We first went on February 25th with a special guest Mark Blaxter head of the Tree of Life Programme at the Wellcome Sanger Institute, who was in Bermuda for the Bermuda Principles Genomics Conference which JP is also part of wearing his BioQuest hat.

We then went back out on the morning of Saturday, 28th Feb. in unusual, foggy conditions that completely hid the islands at times, to meet a larger group also led by JP from the same genomics conference. Following the tour, I was able to carry out a check of all the nest burrows at the "A" nesting colony.

The results were as follows (A colony only):

8 Cahow chicks already hatched, ranging 1 day to 15 days age.

5 Eggs where hatching was underway (an up to 3-day long process).

5 Fertile eggs where embryos are still developing

I will be carrying out further checks this week (weather as always permitting) to the rest of the nests and the "B" colony and will update as I get around to the other nesting islands.

Keep watching the LiveSteams as the egg in CahowCam2 is on track to hatch around March 14th as it was one of the last to be laid this year, and is subject once again to “Who’s the Daddy” concerns…

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We have the first Cahow chicks of 2026!

February 20, 2026 Jeremy Madeiros

1st Cahow Chick of 2026 Season > burrow C30 on Horn Rock Feb18th | Fertile egg > burrow R824 on Nonsuch Island Photos: Jeremy Madeiros

Feb 18th 2026 on Horn Rock > 1st Cahow chick of season revealed!

“I have been trying to squeeze in checks of the Cahow nesting islands when weather conditions and other work responsibilities allow. On the 15th Feb. I spent much of Sunday afternoon checking nest burrows on Horn Rock, seeing the first pips in eggshells in at least 3 nests as the hatching process began. On 18th Feb., I was able to land again on Horn Rock and confirm the first chick of 2026, being brooded by the male bird (band no. E0265) in the C30 nest and only about 24 hours old (see photo). I was also able to check the few remaining nests I had not been able to look at on the previous check, and it looks like there are at least 29 nests with fertile, hatched or hatching eggs on this islet.

Meanwhile, on Nonsuch Island, I believe that there are at least 3 chicks that have already hatched, although I have not been able to make a detailed check there in over a week. On my last check, there were 25-27 nests with fertile eggs, giving us a real chance of equaling or exceeding the record number of 25 fledged chicks from 2024. This included the R824 nest, with its fertile egg being incubated by the male C0896 Cahow (pictured).

Note: it was great to have sunny conditions for the Horn Rock check on the 18th Feb, when I was not only able to see my first 4 Longtails (White-tailed Tropicbirds) of 2026, but was also treated to 3 Snow Buntings, blown in by the recent winter storms - a crazy mix of tundra and tropical species!”

Jeremy Madeiros | Chief Terrestrial Conservation Officer Department of the Environment and Natural Resources

“We have a backlog of videos being edited from prior visits, so stay tuned for the fist check of Nonsuch Colony “B” and updates from CahowCam2 and the ongoing “Who’s the Daddy” saga…”

J-P Rouja | Nonsuch Expeditions Founder

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CahowCam egg updates: Cam1 has failed, whilst Cam2 is fertile

February 8, 2026 Jeremy Madeiros

“Extremely windy, stormy weather conditions since the beginning of 2026 have made it difficult to safely make the trip from Flatts Inlet to the nesting islands of the Bermuda petrel (Cahow) in the Castle Harbour Islands Nature Reserve, which has reduced the number of visits to Nonsuch, and the outer nesting islands.

After having last visited on January the 23rd, during which I attempted to repair a “dimple dent” in the CahowCam1 egg, I was finally able to able get back out to Nonsuch with J.P. Rouja on the 4th of February, during a 4 to 5-hour gap in the dominant gale to storm-force winds, to carry out a complete check of nests, Cahows and eggs being incubated at the Nonsuch “B” nesting colony, which will be the subject of another post and video.

After this, before heading back and under the threat of an incoming gale, we were able to quickly check the two CahowCam nests at the Nonsuch “A” colony. There we were able to confirm that the egg in the CahowCam 1 (R831) nest has failed likely after being further damaged in a fight between the resident incubating female bird (band no. E0212) and a suspected invading Cahow, most likely a young prospecting male bird looking for a new nest and trying to evict the resident bird and take over the nest. This egg has now disappeared from the nest chamber and has probably been knocked into the entrance tunnel.

The news is much better in the CahowCam 2 (R832) nest, where on my previous monitoring visit on Jan 23 the resident male bird, “Sampson” (band no. E0174) was incubating a newly laid egg, only laid about 2 to 3 days before. On Feb 4, the female Cahow from this nest (band no. E0643) had returned and taken over incubation of the 57-gram egg, which when candled proved to be fertile, with a well-developed embryo inside.

Jeremy after confirming that the CahowCam2 egg is fertile.

Although the CahowCam 1 pair will continue to make occasional visits to their nest, they are essentially finished for this season and will have to wait until the next (2026-2027) nesting season to have their next chance of producing a chick. Meanwhile, we will continue to keep our fingers crossed and monitor the CahowCam2 nest, and hopefully this pair will come through again and produce a downy chick sometime around the 10th of March! So please sign up for the Newsletter alerts and watch the LiveStream.”

Jeremy Madeiros Principle Scientist – Terrestrial Conservation, Dept. of Environment and Natural Resources

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Jeremy attempts rescue of the CahowCam1 egg.

January 29, 2026 JP > Nonsuch Expeditions

On January 23rd Jeremy and JP were finally able to get out to Nonsuch and get a second look a the CahowCam2 egg; the Good News is that it is viable, the Bad News is that we have identified a problem…

This particular pair successfully fledge a chick every other year giving a 50% success rate, which is the average for the species, with failures and losses occurring for a number of reasons… However in their case the CahowCam1 LiveStream through which they have been observed for the past 14 seasons has shown that they regularly fight over who gets to take on the incubation, at times quite aggressively, and in doing so sometimes accidentally damage the egg shell, and which may also contribute to the failure of the embryo even when there is no obvious damage to the shell.

Egg shell damage was the cause last year when the egg in this same nest failed due to a “dimple” dent that Jeremy tried to rescue using a coat of clear nail-poilsh (a trick learned from captive breeding programs) which works 50% of the time for Cahows. This year we once again have a dimple which Jeremy can be seen treating in the attached video, however as this one is smaller, and was treated early, there is still hope that they will be successful this year.

Jeremey, JP and the online followers were already concerned this season after a several hour very aggressive battle occured on January 9th when an unknown male fought with the resident female for control of the egg before giving up and flying away before sunrise. We are on the fence as to whether or not this was the resident male, however the following night he did return and the pair resumed their traditional passive-aggressive incubation arguments with her remaining with him for the following 5 nights before finally departing for her well deserved recharging period back out at sea. Cahow females generally leave within hours of their mates return as they urgently need to recover from egg-laying, however as she is the largest female in the colony she may carry enough fat reserves to allow her to hang around longer…

As of this writing she was still out at sea so keep watching the CahowCam LiveStreams for her return, after which the pair will generally alternate week-long incubation shifts until, if still viable, the egg hatches towards the end of February.

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Sampson is incubating the egg in CahowCam2

January 25, 2026 LookBermuda

On January 23rd when Jeremy and JP were finally able to make a much needed visit to Nonsuch, the Cahow that had been seen in the CahowCam2 burrow was identified as Sampson, and was incubating an egg!

Once again this season, should it hatch, the resulting chick’s paternity will be in question, so stay tuned for the next chapter in the “Who’s the Daddy” saga, and results from the paternity test and Cahow Genomic Population Study, being conducted in collaboration with the local BioQuest team.

Watch the video above, and the ongoing Live Stream here.

In BioQuest
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CahowCam2 Update - egg has arrived - after Jeremy relocated prospector

January 18, 2026 JP > Nonsuch Expeditions

UPDATE: Jan 19th @ 8:20pm > Bird in nest, but still no egg…

UPDATE: Jan 23rd > Sampson is back and incubating an egg!

Whilst the majority of the pairs in the Nonsuch and outer colonies have now returned and are each incubating their single eggs, Jeremy, JP and the online followers anxiously await the return and egg-laying in the CahowCam2 burrow. The resident pair are usually one of the last pairs to return, and were expected around the 15th, and yet again the paternity of their potential egg is in question, extending the now very well documented “Who’s the Daddy” saga.

On the evening of the 15th around 7:30 pm a Cahow arrived on the front edge of a 50 knot winter squall. If it was in fact the resident female, her egg would be expected within the hour, however the storm almost immediately took the internet connection and cameras offline leaving everyone in suspense.

Jeremy and JP therefore made another weekend trip out to Nonsuch to see who was in the burrow, and if there was an egg yet, and found a new prospecting male Cahow, instead of the resident pair.

So as to avoid another fight when Sampson returned, after a health check as seen in the video below, Jeremy returned the young male to an empty burrow further up the hill, with the hope that it would in turn settle in that one and avoid a conflict with Sampson, which he was most likely to lose…

Re the internet access, back on the mainland, 3rd party contractors had loosened the tower-mounted private microwave dish through which the LiveStream cameras reach the internet, and the subsequent winds had blown it off, damaging it in the process. As of this post on the 18th it was still not repaired despite intensive efforts over the weekend by JP with support from the BAA and LiveNet (*NB: There was not an issue with our Digicel internet access).

We hope to be live again ASAP so that we can monitor CahowCam2 in particular.

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CahowCam1 Egg Laying & Domestic Disputes

January 14, 2026 JP > Nonsuch Expeditions

Over two thirds of the Cahow pairs have returned and laid their eggs, including the record-breaking CahowCam1 pair which continues to challenge the norms…

At the start of this current nesting season, the male’s return on October 14th followed by her joining him on the 21st, (marking the official start of the nesting season), were the earliest individual-bird, and pair returns for nest building and mating logged by Jeremy in the history of the program. It historically used to start in November but over the past few years some of the pairs have been returning progressively earlier and earlier in October.

This pair have been nesting together in burrow #831 where the Nonsuch Expeditions custom built CahowCam1 is located since 2010, successfully raising and fledging a chick every other year, which is the average for the species, however similarities end there.

She is one of the largest females in the colonies, (and thus for the entire species), and one of the few matching or exceeding the weight of her mate. Just last week, as seen in the video below, she weighed in at 384 grams, (right after laying her oversized 61 gram egg), far exceeding the average female weight of 310-330 grams.

This difference may in turn be affecting their nesting behaviour. For most pairs, as documented by Jeremy over the past 20+ years, upon laying their single egg, that can be up to 1/5th of her body mass, the female will leave back out to sea as soon as her mate arrives to takeover incubation. This usually happens within hours, when they are properly synchronized, partly out of necessity as the female urgently needs to rebuild her fat reserves and strength, with the male generally taking on the first +/- 2 week incubation shift.

In the CahowCam1 burrow however, as revealed by the LiveStream once again this year, she usually does not leave right away and is reluctant to hand over incubation duties often staying on for the first week (as of this post on the 15th she is still there after 5 days, check the LiveStream here for a real-time view).

In their case, her refusal to relinquish inccubatioin duties results in arguments ranging from gentle nudging, to passive aggressive shoving, to full-on fights, which in some seasons have even contributed to the accidental failure of the egg.

This current season, the night before he was officially seen arriving, a mystery male arrived and spent 6 hours at times violently battling her to take over the egg, before giving up and departing. This was VERY distressing to watch for the Team and online followers as it seemed to be a nest invasion, and we feared for her safety, however, Jeremy now believes that it might in fact have been him, and she just wasn’t ready for his return, let alone for him to takeover incubation, and she pushed-back and resisted in ways that would have been impossible or even fatal for a smaller female…

Also, as seen in the video, and via the LiveStreams, there is a land-crab living in the burrow in the space behind the main chamber and camera (which is buried underground to give the side view of the chamber).

It has regularly been documented on camera when the Cahows are out at sea, stealing nest materials, likely to eat, pulling them into the back of the burrow where its own tunnels have been excavated.

During this last nest check J-P and Jeremy had intended to catch and safely relocate it away from the Colony, however as its’ own tunnels were too deep to reach it, it was decided for now to create a separate entrance to the crab tunnels that bypass the main Cahow burrow, with the aim to circumvent any potential conflicts…

Our viewers are asked to send us a note or DM should they see it in the burrow during the LiveStream.

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CahowCam1 pair re-unite, after severe battle with mystery cahow the night before.

January 10, 2026 JP > Nonsuch Expeditions

January 10th @7pm: the resident male returned to CahowCam1 and greeted his mate, then somewhat gently, started jostling and arguing as to who gets to incubate their egg.

Mystery Cahow attack on Jan 9th

This is in sharp contrast to the interactions the night before between the resident female and a mystery Cahow (we are still not sure if it was this mate or an invader), which can be best described as an all-out 6 hour battle that was most distressing to watch for the team and online followers…

In past years, this particular pair have been known to literally fight over who gets to incubate the egg, to the point that they sometimes damage it, contributing to their 50% failure rate, but last night’s fight was most extreme and literally went on for hours, to the point that we were worried about the birds, and the egg.

It is possible (and Jeremy believes) that it was this mate, and that she REALLY did not want him to take over, and he just wouldn’t give up, but watching their more traditional low-key arguing tonight (at least as of 9pm), which is what we have come to expect over the past 14 years watching them, there is such a contrast in behaviors, that last night’s visitor might have been another invading male…

Watch the LiveStream in real-time below now:



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Happy New Year from Nonsuch! Keep watching Cam1 -She has returned and laid her egg!

January 3, 2026 JP > Nonsuch Expeditions

UPDATE: Jan 5th She returned @21:54 and @23:16 she laid her egg!!!

Original post and ongoing LiveStream below:

The Cam1 pair marked the earliest mating / nest building return on record this past fall, and are now expected to return for the egg laying period that starts in early January.

Keep watching the LiveStream through the official page found here, or the video mirrored below, and if still empty, keep checking back during nighttime hours, as she will generally lay her single egg within an hour of returning.

The CahowCam 2 pair continue to be amongst the latest to return, and are expected back around mid January whilst their “Who’s the Daddy” saga continues…

Be sure to sign up for Newsletter for CahowCam alerts when it is happening.

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Blog > 2025/26 Season
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