- eleutherodactyl
- со свободным задним пальцем* * *со свободным задним пальцем
English-russian biological dictionary. 2013.
English-russian biological dictionary. 2013.
eleutherodactyl — eleutherodacˈtyl adjective (Gr daktylos toe) (of birds) having the hind toe free • • • Main Entry: ↑eleutherian … Useful english dictionary
Egg tooth — In some egg laying animals, the egg tooth is a small, sharp, cranial protuberance used by offspring to break or tear through the egg s surface during hatching. It is present in most birds and reptiles, and similar structures exist in monotremes,… … Wikipedia