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Reposted by Bashar Jarayseh

Ecography @ecography.bsky.social · 24/09/2026

A global latitudinal decline in breeding site fidelity emerges from a single biome vist.ly/5jpgq "Arctic #Shorebirds #Dispersal

Map of bird migration with biomes, charts on return rates across latitudes.

Chart of return rates for Calidris alpina, Calidris pusilla, and Phalaropus lobatus in different habitats with bird silhouettes.

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Bashar Jarayseh @basharjarayseh.bsky.social · 26/09/2026

We’re excited to share Dotterel Finder, a new game from our research group! Help us study camouflage in Banded Dotterel chicks by spotting chicks hiding in different habitats. Each game takes only a few minutes 👇 behavioural-ecology.orn.mpg.de/game1/?lang=en Thanks for participating!

behavioural-ecology.orn.mpg.de

Dotterel Finder

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Reposted by Bashar Jarayseh

Alfredo Sánchez-Tójar @asanchez-tojar.bsky.social · 29/07/2026

😮 Finding 3 (surprising!): We found no overall evidence that green nest material lowers parasites or pathogens in the nest, challenging the assumption that it’s because of the "volatiles" assumption. 🔗 doi.org/10.1098/rspb...

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Reposted by Bashar Jarayseh

Paul Dufour @pauldufour80.bsky.social · 23/07/2026

New paper led by @rafnuss.bsky.social! We present a new tool for tracking aerial insectivores such as swifts, swallows, and bee-eaters. For these species, pressure and activity data cannot distinguish stopovers from migratory flight. New sensor and R package help solve this problem. Check it out! 🧭

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Reposted by Bashar Jarayseh

Paul Dufour @pauldufour80.bsky.social · 08/07/2026

🐦🌙 Happy to see this big collaborative paper out in @currentbiology.bsky.social! We address a seemingly simple question using geolocator data collected across many species and individuals: how much of bird migration actually happens at night? www.cell.com/current-biol... A short🧵

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Reposted by Bashar Jarayseh

Cell Press @cellpress.bsky.social · 09/06/2026

"Barn owl color morphs hunt differently in moonlight" Learn more in Current Biology: www.cell.com/current-biol... Kim Schalcher, @pbecciu.bsky.social, @owlsforpeace.bsky.social & colleagues @currentbiology.bsky.social

This figure illustrates the study area, color polymorphism, and method used to reconstruct attack trajectories from GPS, accelerometry, and pressure data.

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