Why do some animals have many social partners while others invest in a few strong relationships? Our new @royalsocietypublishing.org paper suggests the answer may be: it depends on the weather ☀️🌧️ 🐑 tinyurl.com/mry3mtpf

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In the wild, flight has no fixed cost. In the right atmospheric conditions, large soaring birds like the Andean condor fly as cheaply as a fish of the same mass swims. In adverse conditions, flapping flight can be almost as costly as running.

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Very excited to share our new paper, out now in Science. 17 years of biologging and radar data on 50 species of free-flying birds and bats revise the classic ranking of locomotion costs 🧵 doi.org/10.1126/scie... @mpi-animalbehav.bsky.social @swanseauni.bsky.social @science.org 🎥 ©Bruno Osorio

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Same weight, different energy bill. An Andean condor uses 79% less energy per kilometer than a trumpeter swan, even though both weigh roughly the same. Why? Find out in a new study in Science, which rewrites the costs of flight for wild birds and bats: doi.org/10.1126/scie... 1/3

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Stats explorations w/ Claude remind me of "a 4-wheel drive vehicle just gets you stuck in deeper mud". Going down rabbit holes I would previously have avoided ... surprisingly (to me) small/complicated differences between LRT & Wald for coverage/type-1 error ... bbolker.github.io/bbmisc/wald_...

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