Swans: Their Biology and Natural History

ISBN-13: 9781609620813 / Angielski / Miękka / 2016 / 114 str.

Paul Johnsgard

Opis

The seven species of swans are an easily and universally recognized group of waterfowl, which have historically played important roles in the folklore, myths and legends in many cultures. Among the largest of all flying birds, they have been used as symbo