10,000 Birds

DECEMBER 26, 2022

Azure-winged Magpies fail to pass the mirror test, a test commonly used to determine self-recognition. While the source does not say so directly, it hints that this means the species is not as intelligent as Eurasian Magpies (which pass the test). Surprisingly, they only stay on the breeding grounds for about 5 weeks.

Finland 147

Finland Birds McDonalds Israel 147

10,000 Birds

FEBRUARY 18, 2014

The vast majority of the 10,000+ living species of birds are passerines, and the vast majority of those have a similar system of breeding: Mom and dad bird make a nest and share parental responsibilities roughly equally, if not identically. There are variations on that theme, of course. They looked at fairy-wrens and cuckoos.

Breeders 198

Breeders Breeding Science Raised 198

10,000 Birds

DECEMBER 4, 2021

Of the dozen gifts mentioned in the Christmas carol “The Twelve Days of Christmas,” seven are birds: the seven swans a-swimming, six geese a-laying, four calling birds, three French hens, two turtle doves, and – of course – a partridge in a pear tree. Donna). ==. Donna). ==. But craziness is not a requisite.

Colombia 242

Colombia Birds Bald Eagle Guyana 242