Quiz 9: More on Head feathers

Here is a close-up of the head of a Song Sparrow, showing the feather groups and feather markings really well. In the copy below, I’ve outlined the feather groups, so that you can test your knowledge in the quiz that follows.

Quiz 6: Bird weight

Below is a chance to test your knowledge of bird size, by selecting the heavier species in each of five pairs of birds. Weight, or apparent bulk, is one of the key factors in our impressions of overall size, and it’s helpful to think about it explicitly. Watch the birds at your bird feeder or …

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A quiz on bird wing feathers

The major groups of feathers on the wing are showing well on this American Robin, and each is labeled with a letter. In the quiz below, select the letter that matches the feather group named in that question.