August 2004
The Dot-winged Antwren is distributed from Mexico through Central America to Colombia, the western areas of the Amazon Basin and in Amazonian Brazil mainly south of the Amazon.
It is a complicated species with 10 sub-species and the possibility that it consists of more than one species. It is an example of heterogynism where the males of the different species are very similar while the females differ radically. The sub-species shown here is M. q. bicolor where the female has dark grey rather than black upperparts and rufous underparts including the throat.
We found two pairs at the forest edge about one hour before sunset. They were sallying out over the track for about 1 metre to catch insects returning to the edge vegetation between sallies.
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