Zygodactylism

Picoides pubescensThat tap-tap-tapping coming from the Phragmites is usually a Downy Woodpecker (Picoides pubescens). Note those long toenail claws. Woodpeckers have zygodactyl toes, two pointing forward, two back. Most birds, the Passerines, or song birds, have three forward, one back. Picoides pubescens

2 Responses to “Zygodactylism”


  1. 1 crystalhrogers April 17, 2014 at 9:36 am

    interesting fact! I never knew. I enjoy your blog a lot.


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