资讯

A pair of the ‘red listed’ birds of prey reared four chicks to fledging at a secret location, in the first successful ...
Young Magpies left the nest when about 33 d old, independent of sex, body size, and brood size, but nest-leaving was positively correlated with the age differences within the brood. Fledglings were ...
University of Georgia. "Bald eagles aren't fledging as many chicks due to avian influenza." ScienceDaily. ScienceDaily, 2 March 2023. <www.sciencedaily.com / releases / 2023 / 03 / 230302093346.htm>.