Halcyon

Trivial name	Latin name
White-throated Kingfisher	Halcyon smyrnensis
Blue-breasted kingfisher	Halcyon malimbica
Grey-headed kingfisher	Halcyon leucocephala
Woodland kingfisher	Halcyon senegalensis
Black-capped Kingfisher	Halcyon pileata
Brown-hooded Kingfisher	Halcyon albiventris
Ruddy Kingfisher	Halcyon coromanda

...

comparison of wing and tail configuration¹

¹ According to Hartmann (2000a, 2000b and 2016)