bishop, any of several small African birds belonging to the family Ploceidae (order Passeriformes) and constituting the genus Euplectes. The breeding males are black-bellied and reddish or yellow above, with rufflike head feathering and fluffy rump feathers nearly covering their stumpy tails. The male vigorously defends a bit of grassland or marsh, where his drab-streaked spouses—sometimes six or more—occupy globular nests. The 13-centimetre (5-inch) red bishop (E. orix), also called grenadier weaver, displays by flying about and clapping its wings. Red bishops have become established in southern Australia.