Possessing or characterized by unequal-length toes arranged in an asymmetrical pattern, as in most bird species.
From Greek 'anisos' (unequal) + 'daktylos' (toe/finger) + '-ous' (full of, having the quality of). This is the standard adjectival form used in ornithological descriptions of bird anatomy.
The '-ous' ending makes this the most common way scientists describe birds with this toe arrangement, showing how English adds layers of descriptive endings to precisely categorize nature's variations!
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