Cape gannets fold their wings back in order to achieve dive speeds of 60/mph as they enter the water to catch fish.pic.twitter.com/PUmZX8jLht
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Namaque sandgrouse live in the deserts of SW Africa. Although the young are precocial and can find seeds to eat immediately, they can’t fly to water sources. So the males have specialized breast feathers that absorb water which they take back to chicks.https://m.youtube.com/watch?v=Of2Mu_D18I0 …
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To impress females, male club-winged manakins have specialized secondary wing feathers they vibrate at 107 times/s, producing sound (hummingbirds only flap 90/s). To do this, one of their wings bones is solid, not hollow like other birds.https://m.youtube.com/watch?v=tSHjhCN6NC0 …
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This is a real disadvantage for flying, including for females who also have heavy, solid bones. Some have speculated on this whole sexual selection is driven by fitness idea as a resulthttps://www.nytimes.com/2019/01/09/magazine/beauty-evolution-animal.html …
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Secretary birds are lanky raptors that walk up to 20miles a day looking for food, which they often kill by stomping. This is especially helpful for venomous snakes.pic.twitter.com/6ThtGbYWR5
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In eastern Australia black kites, whistling kites, and brown falcons are known as firehawks, because they are attracted to brush fires where they catch escaping prey. NBD. Oh, except they also carry burning sticks to intentionally start new fires. Birds are fucking badass.pic.twitter.com/MwohRGrSuC
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Want to join the avian hive mind for more great bird facts like this? Follow:
@RallidaeRule@JERutter@paigebyerly@SamanthaSHauser@JasonWardNY@drcampbellsmith@ecologyofgavin@janetngbio@hood_naturalist@JeffreyMWardPrikaži ovu nit
Kraj razgovora
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Have you seen
@foxfeather's adorable vulture yet?https://twitter.com/foxfeather/status/1196908524787384320 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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And so sad that Vultures are being poisoned around the globe
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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I've had the great pleasure of meeting a few vultures up close at the Duncan, BC raptor centre. I also learned that they're not native to Canada but followed the roadkill along the U.S. highway system as it was being built.
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Čini se da učitavanje traje već neko vrijeme.
Twitter je možda preopterećen ili ima kratkotrajnih poteškoća u radu. Pokušajte ponovno ili potražite dodatne informacije u odjeljku Status Twittera.
Richard Simonsen

