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ˌheteroˈdactylous
ˌheteroˈdactylous adj. 
/ˌhɛt(ə)rə(ʊ)ˈdaktl̩əs/, /ˌhɛdərəˈdæktələs/ Zoology having the toes, or one of them, irregular or abnormal, as certain families of birds (Ogilvie, 1882).
Brit. /ˌhɛt(ə)rə(ʊ)ˈdaktᵻləs/
, /ˌhɛt(ə)rə(ʊ)ˈdaktᵻləs//ˌhɛt(ə)rə(ʊ)ˈdaktl̩əs/U.S. /ˌhɛdəroʊˈdæktələs/
, /ˌhɛdəroʊˈdæktələs//ˌhɛdərəˈdæktələs/ΘΚΠ
the world > animals > birds > parts of or bird defined by > [adjective] > of toes or claws > having particular type of
zygodactylous1828
yoke-toed1831
zygodactyl1831
anisodactylic1834
zygodactylic1835
lark-heeled1837
short-toed1837
heterodactylous1854
pair-toed1868
sympelmous1885
pamprodactylous1889
pigeon-toed1890
pamprodactyl1934
synpelmous-
1854 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Those in which the external toe is versatile: heterodactylous.
1885 Standard Nat. Hist. IV. 369 While in the woodpeckers the first and fourth [toes] are directed backwards, in the trogons the first and second take that position; hence they are said to be heterodactylous.
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