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natali 33 [55]
3 years ago
5

Why do cliff swallows live in colonies?

History
2 answers:
krok68 [10]3 years ago
5 0

Answer:

The colonies are a natural survival strategy. ... They're always close to water because the swallows build their nests from globs of mud they collect by the beak full.

Explanation:

tiny-mole [99]3 years ago
5 0

Answer:

Explanation:

They build their nests near water, and wait for prey so they can attack, and attack as a Colonie, and that will have more effect than one single swallow

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