The Domestic Habits of Birds

Albertus Magnus Aldrovand amnion animals appears Aristotle artificial mother ascertain BECHSTEIN bill birds of prey bittern black-cap body breeding brood Buffon cage called capon chaffinch chickens Chuck-will's-widow circumstance claw cock colour days after incubation dung eagle eggs Embryo Chick fact feathers feed female flock formed frequently gland glottis gregarious ground grouse habits hatched head heard heat Hist imitation insects instance linnet magnified view male manner mate membrane Montbeillard Naturalist nature nest nestling never night nightingale notes observed Oiseaux Ornith oven pair parent birds peculiar pigeons Pliny plovers prey probably quadrupeds Réaumur remarks resembling rooks roost ruffed grouse says season seems seen sentinels shell similar sing solitary song soon sound sparrows species spot swallows swans TEMMINCK temperature thrush trachea tree usually uttered vocal chords vocal organs voice vultures whole wild windpipe wings wren yolk young