Dragonflies and Damselflies of the East: A Field Guide Review
10,000 Birds
MAY 3, 2012
I know from experience how accessible Dennis is, last year he helped me identify a damselfly I photographed in Costa Rica (Argia anceps, no common name). The Natural History section points out that Red-tailed Pennants hold their wings flat or slightly lowered, while the skimmers tend to raise their wings.
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