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How much bird is there, anyway?

10,000 Birds

For instance, I can lay my hands on data for primates and rodents (because I’ve collected those data for research) but I don’t have comparable data for bovids (just selected data) and zero data for birds (in spreadsheets on my computer). Accessed July 12, 2011 at [link] a. Sources Laden, Greg. Oxford University Press.

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What happened with Archaeopteryx?

10,000 Birds

The trait must then be identifiable as to whether or not it exists in a certain species. For instance, in primate phylogeny, postcranial traits (bony traits of the body, not the head) are usually useless because we can’t link teeth to bodies in most cases, and the teeth drive the taxonomy (though there are some recent exceptions ).

Mammals 242
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Ghana – Rainforest Birding on the Brink by Adam Riley

10,000 Birds

Nineteen days later we had racked up an amazing list of 436 species, including some of Africa’s least known birds such as Congo Serpent Eagle , Yellow-footed Honeyguide , Tessmann’s Flycatcher , Yellow-bearded Greenbul , Black-collared Lovebird and much besides. We also knew we had discovered Africa’s next hot birding destination.

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