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Anni Binet @annibinet.bsky.social · 30/09/2026

Jersey summer done; 180 detectors deployed, 23 nights trapping, 267 bats of 7 species caught, 21 BluBat tagged bats; 1barbastelle, 2Nathusius's pipistrelle, 2serotine & 16Natterer's, plus 12 Natts with vhf beeper tags, 42 roosts identified, 56 emergence surveys plus 40 nights tracking 🦇

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Anni Binet @annibinet.bsky.social · 27/09/2026

Final BlūBat tag of the 2026 MPhil fieldwork and finishing off where it started, with a Nathusius' pipistrelle. Hopefully she will be as interesting as the male was back in May! 🦇

Nathusius' pipistrelle with BlūBat tag attached to it's back

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Anni Binet @annibinet.bsky.social · 21/09/2026

On the final stretch of MPhil fieldwork for 2026, just one week to go, 2 vhf tagged bats to follow round, and 1 final BluBat to deploy. Then just the analysis and write ups to do before the 2027 field season starts! 🦇

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Anni Binet @annibinet.bsky.social · 12/08/2026

This week we confirmed that serotines are a breeding species in Jersey after capturing a breeding female on Monday night. Two bats 🦇 (one male and one female) were fitted with BluBat tags and they both went to the same group of 3 houses, with a total count of 48 bats emerging last night!

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Anni Binet @annibinet.bsky.social · 21/07/2026

Got myself another 🦇 first for Jersey! Barbastelle (Barbastella barbastellus) has been recorded acoustically, but this is the first capture of the species. She was an adult female, but did not show any signs of previous breeding. She was tagged under licence using a BlūBat tag.

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Anni Binet @annibinet.bsky.social · 23/05/2026

Final full day of fieldwork trip one for my MPhil yesterday and one of my tagged bats 🦇 is on National Trust Jersey land, so I did a training session for their ecologists so they can keep on roost finding for me whilst the tag has battery life remaining #ecology #fieldwork

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Anni Binet @annibinet.bsky.social · 07/12/2025

As the weather gets consistently cooler and/or more miserable the #bats are tucking themselves away for hibernation. But, unlike bears, they don't typically sleep the entire winter away, typically waking periodically to adjust position, change roosts, or for a drink and snack in milder periods 🦇

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Anni Binet @annibinet.bsky.social · 25/11/2025

#hibernation season has hit and I've slowed down along with the slow down in surveys, but did get out on another #dormouse survey just before the cold snap with some lovely chonky boys found, one at a whopping 32g!

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Anni Binet @annibinet.bsky.social · 18/10/2025

On occasion I go and play with things other than bats, today was one of those days. Nice results for this NDMP site with 4 juvenile's in one box, then a breeding female and very late babies in the last box of the day. 🤞🏼 for a mild autumn so they can fatten up sufficiently to survive the winter

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Anni Binet @annibinet.bsky.social · 28/09/2025

All signs are pointing to 2025 being a mast year. The number of nuts trees produce varies each year, smaller crops over consecutive years keep populations of animals eating them in check. In a mast year, they produce more than the animals can possibly eat. We took advantage at the local walnut tree!

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Anni Binet @annibinet.bsky.social · 21/09/2025

Joined #Brumbats for a 🦇 autumn swarming survey last night, first time for me requiring a boat to set up, check and collect the traps! Weather didn't play ball for us so everything is hung up to dry today but a good night none the less!

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Anni Binet @annibinet.bsky.social · 13/09/2025

Autumnal textures in the woods today

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Anni Binet @annibinet.bsky.social · 08/08/2025

Lovely female noctule 🦇 posing for me in the full moon light

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Anni Binet @annibinet.bsky.social · 30/07/2025

This week I've been working with @batconservation.bsky.social and @vincentwt.bsky.social on a volunteer project at Mottisfont SAC trapping and tagging barbastelle bats and finding their roosts. Barbs love lifted bark to roost behind such as shown in this clip from last night 🦇

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Anni Binet @annibinet.bsky.social · 25/07/2025

What bat is that? Can you tell the UK species just from what you see here? 🦇

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Anni Binet @annibinet.bsky.social · 16/07/2025

Today's invert is the same as yesterday, but this time with a male joining the party. Did you know that glow worms are actually a beetle? They live as a grub for around 3 years before emerging in their adult form for a matter of weeks, during which they don't feed and use all their energy for mating

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Anni Binet @annibinet.bsky.social · 15/07/2025

Today's invert on a bat survey is the humble glow worm. Weird looking little things, but very cool. In the UK there is a #glowworm survey website where you can record your sightings www.glowworms.org.uk

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Anni Binet @annibinet.bsky.social · 13/07/2025

Did my usual forgetting to post once 🦇 survey season hit... along with forgetting to take any bat pics 🤦🏼 so here's a Poplar hawk moth I removed from a mist net last night instead!

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Anni Binet @annibinet.bsky.social · 13/03/2025

Out about assessing woodlands for suitability for rare🦇 species and it's good to see the ancient woodland indicators such as yellow archangel, British blue bell and dog's mercury making their spring appearance, not so good to see rhododendron which is a schedule 9 invasive species

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Anni Binet @annibinet.bsky.social · 06/03/2025

As it's #worldbookday I finally got around to ordering myself a copy of @batman-shipman.bsky.social 's 🦇 ID book to aid in training of volunteers for surveys over the summer!

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Anni Binet @annibinet.bsky.social · 04/03/2025

Bechstein's 🦇 aren't known to be at Mottisfont, but there is plenty of suitable habitat within the oak-ash woodlands, with hazel understory providing the clutter this species likes, there were also plenty of cavity features like woodpecker holes so 🤞🏼

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Anni Binet @annibinet.bsky.social · 04/03/2025

Couldn't resist endoscoping a few accessible features whilst out, including one particular veteran oak which was covered in suitable features, most out of reach but lifted bark 2m was accessible and whilst no bats were home I did find a low number of fresh droppings!

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Anni Binet @annibinet.bsky.social · 04/03/2025

Out and about in the sunshine yesterday scoping the SAC Mottisfont woodlands for trapping locations for barbastelle and Bechstein's 🦇 trapping projects in the summer in collaboration with @batconservation.bsky.social and @vincentwt.bsky.social

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Anni Binet @annibinet.bsky.social · 25/02/2025

🦇 Hibernation survey with Hampshire bat group at the weekend of a derelict manor house, only 4 bats found, 2 of which were pipistrelles, but sooo many inaccessible places where more are likely to be hiding!

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Anni Binet @annibinet.bsky.social · 16/02/2025

Record count for the site with 65 lesser horseshoe bats at today's hibernation survey with Dorset Bat group 🦇

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Anni Binet @annibinet.bsky.social · 08/02/2025

🦇 hibernation survey today in an old chalk mine and finally remembered my phone as an inbuilt IR camera, pretty impressed with the resolution!

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Anni Binet @annibinet.bsky.social · 27/01/2025

Old barns are frequent haunts for #bats 🦇, and are often utilised year round due to the presence of deep crevices in wood and stone work making perfect hibernation roosts. Use of endoscopes are vital for sites such as these as the features are usually not otherwise able to be fully viewed

Old wooden beams connected with a mortice joint with gaps top and bottom

Common pipistrelle bat tucked away in a mortice joint as viewed on an endoscope screen

Brown long-eared bat tucked in a cavity above a doorway

Wooden doorframe with large beam above with small gap between doorframe and beam

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