The Moorhen's ability to remain submerged

A recent note by R. W. Robson (Brit. Birds, 65: 299-300) and the appended editorial comment suggest that it is unusual for Moorhens Gallinula chloropus to submerge for long periods of time, especially with the bill under water. I have recently completed a three-year study of this species, mostly in the Test valley in Hampshire, and have observed both adu

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