Saturday, June 7, 2014

Dot-tailed Whiteface

For the past two days I have been searching the Carleton College arboretum for a snaketail, a kind of dragonfly, but without success. I have seen about a half-dozen other species of odes, including this lovely male Dot-tailed Whiteface. Summer seems to have finally arrived. The basis for this name should be patently obvious from this photo.

In most of the northern United States and in southern Canada, this species is the most frequently encountered white-face. I have blogged about it before. According to Paulson, Dot-tailed Whitefaces keep fixed territories, but do not defend them aggressively. Other males can fly through a territory, but are not chased unless they come relatively close to the territory owner.

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