Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile
Birds of The World: The Cornell Lab

@birdsoftheworld

Birds of the World is the world's leading collection of avian life histories. Find us only at @birdsoftheworld.bsky.social

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linkhttps://birdsoftheworld.org/ calendar_today08-07-2009 15:37:01

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Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

Put down the news and read about the fascinating world of #birds! Birds of the World provides endless *positive* reading material for the long holiday weekend ahead. This week save 20% on any subscription plan using the coupon code IVORY20. birdsoftheworld.org

Put down the news and read about the fascinating world of #birds! Birds of the World provides endless *positive* reading material for the long holiday weekend ahead. This week save 20% on any subscription plan using the coupon code IVORY20. birdsoftheworld.org
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

Do the holidays make you wonder what other families are like? The Orinoco Goose has some... interesting parenting habits. The species engages in intraspecific brood parasitism, with increased success & clutch size in parasitized nests! Learn more at BOW! buff.ly/3CQ6zBx

Do the holidays make you wonder what other families are like?

The Orinoco Goose has some... interesting parenting habits. The species engages in intraspecific brood parasitism, with increased success & clutch size in parasitized nests!

Learn more at BOW!
buff.ly/3CQ6zBx
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

For a rather plain bird, the Olive Bulbul has had quite the complicated taxonomy. A 2017 study questioned its traditional morphology-based classification and there remain disagreements on the (sub)species status of its relatives. Get more details at BOW! buff.ly/3CRhVoC

For a rather plain bird, the Olive Bulbul has had quite the complicated taxonomy.

A 2017 study questioned its traditional morphology-based classification and there remain disagreements on the (sub)species status of its relatives.

Get more details at BOW!
buff.ly/3CRhVoC
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

Despite being a monogamous species, the Eurasian Griffon sometimes attempts extra-pair mating, supporting sperm competition hypothesis. Although mates are unguarded, copulation advances are often rejected by females. Read more about these dynamics at BOW! buff.ly/3BgHAGV

Despite being a monogamous species, the Eurasian Griffon sometimes attempts extra-pair mating, supporting sperm competition hypothesis. Although mates are unguarded, copulation advances are often rejected by females.

Read more about these dynamics at BOW!
buff.ly/3BgHAGV
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

Prey of the Chilean Hawk, the Austral Parakeet has the southernmost distribution of any American parrot. As of 2020, the species has a record copulation time of 126 seconds 😳 Visit BOW for more recent updates on this species in partnership with redobservadores! buff.ly/41lNn8P

Prey of the Chilean Hawk, the Austral Parakeet has the southernmost distribution of any American parrot. As of 2020, the species has a record copulation time of 126 seconds 😳

Visit BOW for more recent updates on this species in partnership with <a href="/ROC_CL/">redobservadores</a>!
buff.ly/41lNn8P
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

Weighing in at 2-3g, the Volcano Hummingbird is one of the smallest birds in the world. Pros: Its short bill can only feed from flowers too small for many other species. Cons: It takes about 2,700 flowers to meet daily metabolic needs. Learn more at BOW! buff.ly/3BdOcWL

Weighing in at 2-3g, the Volcano Hummingbird is one of the smallest birds in the world.

Pros: Its short bill can only feed from flowers too small for many other species.
Cons: It takes about 2,700 flowers to meet daily metabolic needs.

Learn more at BOW!
buff.ly/3BdOcWL
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

The cautious Nocturnal Curassow is one of the least known curassows and most difficult birds to observe in South America. Using novel camera trapping methods, researchers have discovered some not-so-nocturnal behaviors. 👀 Learn what they captured at BOW! buff.ly/3DdPwJP

The cautious Nocturnal Curassow is one of the least known curassows and most difficult birds to observe in South America. Using novel camera trapping methods, researchers have discovered some not-so-nocturnal behaviors. 👀

Learn what they captured at BOW!
buff.ly/3DdPwJP
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

We have ONE WEEK until our next discovery webinar, Nature Intertwined: Monsoons, Termites, and the Amur Falcon! Join us @ 8:30AM EST, Thursday, 19 December to learn about the Amur Falcon's transcontinental migration w/ host Suresh Kumar. Register below! buff.ly/3DodB0k

We have ONE WEEK until our next discovery webinar, Nature Intertwined: Monsoons, Termites, and the Amur Falcon!

Join us @ 8:30AM EST, Thursday, 19 December to learn about the Amur Falcon's transcontinental migration w/ host Suresh Kumar.

Register below!
buff.ly/3DodB0k
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

Highly maneuverable in flight, the Whistling Kite is a skilled predator. The species is known to enjoy a diverse diet, with Magpie Goose hatchlings being a staple, plus the occasional adult Green Pygmy-Geese or fledgling Welcome Swallow. Read more @ BOW! buff.ly/4gdqY1U

Highly maneuverable in flight, the Whistling Kite is a skilled predator.

The species is known to enjoy a diverse diet, with Magpie Goose hatchlings being a staple, plus the occasional adult Green Pygmy-Geese or fledgling Welcome Swallow.

Read more @ BOW!
buff.ly/4gdqY1U
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

The Black-hooded Sierra Finch has a complex taxonomic history, yet the simplest of its genus. Not even classified as a finch, the species has caused quite a stir among authors. However, recent genetic work hints at modern understanding. Read more @ BOW! buff.ly/4gzqbZ3

The Black-hooded Sierra Finch has a complex taxonomic history, yet the simplest of its genus.

Not even classified as a finch, the species has caused quite a stir among authors. However, recent genetic work hints at modern understanding.

Read more @ BOW!
buff.ly/4gzqbZ3
Birds of The World: The Cornell Lab (@birdsoftheworld) 's Twitter Profile Photo

The near-threatened Straight-billed Reedhaunter is known for its preference for eryngo wetlands, where the prominent Eryngium plant and its importance to the species continues to stump researchers. Visit BOW for recent findings thanks to Aves Uruguay! buff.ly/4iKO5mk

The near-threatened Straight-billed Reedhaunter is known for its preference for eryngo wetlands, where the prominent Eryngium plant and its importance to the species continues to stump researchers.

Visit BOW for recent findings thanks to <a href="/Aves_Uruguay/">Aves Uruguay</a>!
buff.ly/4iKO5mk