The foot of a Kingfisher

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“Fig. 44- Syndactyle foot of a kingfisher. Thus a kingfisher shows what is called a syndactyle or syngnesious foot (fig. 44), where the outer and middle toes cohere for most of their extent and have a broad sole in common. It is a degradation of the insessorial foot, and not a common one either; seen in those perching birds which scarcely use their feet for progression, but simply for sitting motionless.” Elliot Coues, 1884


Bird Anatomy


Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)


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