Agapornis

trivial name latin name
Grey-headed Lovebird Agapornis canus
Fischers Lovebird Agapornis fischeri
Lilian's Lovebird Agapornis lilianae
Black-cheeked Lovebird Agapornis nigrigenis
Yellow-collared Lovebird Agapornis personatus
Rosy-faced Lovebird Agapornis roseicollis
Black-winged Lovebird Agapornis taranta

comparison of wing and tail configuration