How Bison Are Helping Cliff Swallows Build Their Nests

Smithsonian Channel
Smithsonian Channel
492.5 هزار بار بازدید - 4 سال پیش - It's a partnership that's as
It's a partnership that's as unlikely as any: herds of bison on the move are kicking up chunks of earth. This, in turn, gives cliff swallows the valuable mud pellets they need to build their nests. From the Series: Epic Yellowstone: Life on the Wing bit.ly/2JIluS5
4 سال پیش در تاریخ 1399/04/16 منتشر شده است.
492,578 بـار بازدید شده
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