A swallow feeds its birdlings on a sandy cliff along the Yongding River in Beijing. GAO SONGMAO/FOR CHINA DAILY In a serene alcove along Beijing's Yongding River, the construction of a water diversion ...
Birds & Blooms on MSN
8 types of swallow birds you should know
From purple martins to barn swallows, find out how to spot and identify 8 members of the swallow bird family during summer.
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