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Post Tagged with: "Peregrine falcon"

Falco peregrinus babylonicus. Image credit: John Gould, Birds of Asia, vol. 1, pl. 4.

Researchers Eventually Discover Elusive Hormone Leptin in Birds

Researchers have found leptin – a hormone that regulates body fat storage, metabolism and appetite – in the Peregrine falcon (Falco peregrinus), the mallard (Anas platyrhynchos) and the zebra finch (Taeniopygia guttata). People would wonder how the Arctic tern could fly nearly 70,000 km from the North Pole to the South Pole in its roundtrip […]

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