There are about 60 species of this wading bird; Asia has a purple one & America, a great blue
... Night herons have thicker bills and shorter legs and are more 
active in the... [DOC] [TLE] Grey heron - Wikipedia [PAR] The grey heron (Ardea cinerea) is a long-legged predatory wading bird of the 
heron family, Ardeidae, native throughout temperate Europe and Asia and also 
parts of Africa.