Environmental influence of regulated body temperature in torpid hummingbirds.
D000818:Animals; D001717:Birds / Q000378:metabolism / Q000502:physiology*; D001833:Body Temperature Regulation; D001835:Body Weight; D004777:Environment; D005260:Female; D008297:Male; D008433:Mathematics; D010101:Oxygen Consumption; D013045:Species Specificity; D013696:Temperature