This may arise from human alteration of habitats enabling related allopatric species to overlap.
2.
The two are an allopatric species pair, and are the only two species in the genus to exhibit marked sexual dimorphism.
3.
However, Coyne and Orr found equal levels of postzygotic isolation among sympatric and allopatric species pairs in closely related " Drosophila ".
4.
The two are an allopatric species pair, and are the only two species in the genus to exhibit marked sexual dimorphism where the male and female are different in appearance.
5.
""'Paraplesiops " "'is a genus containing five largely allopatric species of fishes in the longfin, or roundhead, family Plesiopidae, commonly known as blue devils, bluedevils or blue devilfish because of their colouration.
6.
Recent DNA studies suggest that the yellow-billed African races " parasitus " and " aegyptius " differ significantly from black kites in the Eurasian clade, and should be considered a separate allopatric species : yellow-billed kite, " M . aegyptius ".
मोबाइल