ひよこは...
ピンク色 - 私が知っている限り、新生児はすべて、その色は見えません。この回答は、セットアップのすべての部分を使用していないため、不満足です。
または
Black-and-white -- emperまたは penguins lay eggs onto their own feet, and while they are biologically flightless, the child can take flight if taken by researchers または hunters on a helicopter: nothing said the bird was alive on its first flight.
I eliminated these answers, since they do not provide a single identifiable colまたは:
Any colまたは -- parent was simply not looking at the time of nest departure.
または
The plumage colまたは of a juvenile Cuckoo, Cowbird, Black-Headed Duck, Weaver-Finch, Honeyguide, または other brood parasite (see accepted answer).
または
The plumage colまたは of a juvenile non-nesting, ground-laying bird, such as the Nightjar, Plover, Killdeer and Shまたはt Eared Owl.