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The North American Swans: Their Biology and Conservation

-15% su kodu: ENG15
32,88 
Įprasta kaina: 38,68 
-15% su kodu: ENG15
Kupono kodas: ENG15
Akcija baigiasi: 2025-03-03
-15% su kodu: ENG15
32,88 
Įprasta kaina: 38,68 
-15% su kodu: ENG15
Kupono kodas: ENG15
Akcija baigiasi: 2025-03-03
-15% su kodu: ENG15
2025-02-28 38.6800 InStock
Nemokamas pristatymas į paštomatus per 11-15 darbo dienų užsakymams nuo 20,00 

Knygos aprašymas

Among birds, swans are relatively long-lived species and are also among the most strongly monogamous, having prolonged pair and family bonds that strongly influence their reproductive and general social behavior, which, in combination with their beauty and elegance, contribute to the overall high degree of worldwide human interest in them. This volume of more than 59,000 words describes the distributions, ecology, social behavior, and breeding biologies of the four species of swans that breed or have historically bred in North America, including the native trumpeter and tundra swans, the introduced mute swan, and the marginally occurring whooper swan. Also included are 5 distribution maps, 15 drawings, 27 photographs by the author, and a reference section of nearly 1,000 literature citations.

Informacija

Autorius: Paul Johnsgard
Leidėjas: Zea Books
Išleidimo metai: 2020
Knygos puslapių skaičius: 166
ISBN-10: 1609621719
ISBN-13: 9781609621711
Formatas: 280 x 216 x 9 mm. Knyga minkštu viršeliu
Kalba: Anglų

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