Common Mergansers Taking Flight
Most ducks can take off nearly vertically from either water or land. However, when taking off from a body of water, unless alarmed, Common Mergansers usually patter along the surface for several yards before taking flight. One would imagine that their flight might not be any more graceful than their take-offs, but the opposite is said to be true of females looking for potential nesting sites. They have been observed maneuvering easily among tree branches seeking a suitable tree cavity in which to lay and incubate their eggs, and once they have found a nest site, they appear to enter and leave their nest holes with ease.
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