Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Having three toes projecting forward and one projecting backward, as in the passerine birds.
- noun An anisodactyl bird, such as a warbler.
from The Century Dictionary.
- Same as
anisodactylous . - noun One of an order of birds in the classification of Temminck, including those insessorial species the toes of which are of unequal length, as the nuthatch.
- noun One of the Anisodactyla.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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This arrangement is called anisodactyl, all according to Britannica.com. steve
New Archaeopteryx fossil provides further insight into bird, dinosaur evolution - The Panda's Thumb 2005
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It's superficially similar to true rollers (Coraciidae) and ground-rollers (Brachypteraciidae) but, unlike them, has semi-zygodactyl feet (though it has frequently very depicted inaccurately by artists who, in the absence of better information, have assumed that it's anisodactyl, like true rollers).
ScienceBlogs Channel : Life Science Darren Naish none@example.com 2010
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He suggested that it evolved semi-zygodactyl feet from an anisodactyl ancestral roller because its large size and specialisation for arboreal life required improved perching abilities.
ScienceBlogs Channel : Life Science Darren Naish none@example.com 2010
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Plesiocathartes does differ from Leptosomus in being anisodactyl).
ScienceBlogs Channel : Life Science Darren Naish none@example.com 2010
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