Mahsulot tavsifi

The structure of a duck's bill is uniquely adapted to its feeding habits. It consists of an upper mandible and a lower mandible with lamellae for filtering food. The flat, broad bill helps scoop and sieve small plants and animals. Bills contain nerves for touch and are made of durable keratin

Muallif

Hujjatlari

90 364

Sotilgan

2 424