Swallows and martins have evolved to be specialists at catching insects on the wing. Their streamlined shape and long, thin, tapering wing shape makes them fast and highly manoeuvrable.
How to identify swifts, swallows and martins.
More...
Swallows and martins have evolved to be specialists at catching insects on the wing. Their streamlined shape and long, thin, tapering wing shape makes them fast and highly manoeuvrable.
How to identify swifts, swallows and martins.
More...
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