Cliff Swallow Nests
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=tQ0IP8kSwcA
A robin's nest is a familiar sight...but have you ever seen a Cliff Swallow nest? Cliff Swallows use their bills to gather mud alongside puddles, streams, or lakes. The finished nest contains about 1000 individual mud pellets. All in a day's work for the bricklaying Cliff Swallow. Find out more about Cliff Swallows: https://www.allaboutbirds.org/guide/C...
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