Polyboroides
Polyboroides is a genus of bird of prey in the family Accipitridae. This genus has two recognized species found in Sub-Saharan Africa and Madagascar. The two species are allopatric and restricted to the Afrotropical realm. They are generally known as harrier-hawks.
Etymology
Polyboroides: Genus Polyborus Vieillot, 1816; -oidēs "resembling".Species
The genus Polyboroides has two recognized species:file:2012-African-Harrier Hawk.jpg|thumb|right|150px|Adult African harrier-hawk hunting at a weaver colony in Etosha [National Park|Etosha NP].
Note the double-jointed legs enabling it to hang downwards and yet reach upwards with its beak.