This genus hosts three Old World species, one in Africa, two in Asia. Though
geographically separated, these
species are similar in many aspects of behaviour and share some
distinct morphological features such as an obvious orbital ring of
flesh and round cross-section
of the upper mandible. Yet, some unusual morphological differences
also exist: the two Asian species
have 10 tail feathers and 3
toes, lacking the first toe, while the African has 8 tail feathers
and 4 toes, with first digit thin and reduced. Photo of this African Piculet Sasia africana taken in Ghana, January 2013, by Gerard Gorman.
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