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Re: Fwd: Re: Nesting birds (was RE: Marsupial forelimbs... or rather hindlimbs)
At 04:33 PM 29/11/2007, Tommy Tyrberg wrote:
Waders: Green Sandpiper is an obligate tree-nester
As are a number of other sandpipers in the genus Tringa (eg Solitary
Sandpiper, as I recall)
Gannets: Abbot's Booby is a tree-nester
As are Red-footed Boobies, not to mention frigatebirds, many
cormorants, and darters
Grebes and Loons, since they are so strongly adapted to swimming
that they can hardly walk on land, much less in trees.
Strictly speaking grebes nest on floating vegetation, so they are not
really "ground-nesters" either.
It works the other way around too, there are at least two obligate
ground-living (and ground-nesting) wood-peckers.
As well as many passerines (most if not all larks, for example),
including some (eg a number of wood warblers) that forage in trees
but nest on the ground.
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