The Blue-naped Mousebird is a fairly small to medium sized bird, measuring 13-14 inches in length.

Characteristic of mousebirds, the Blue-naped mousebird has widely spaced and large feet for its body size, which are pamprodactylous; they are able to rotate all four toes to face forward at will.

The Blue-naped mousebird (Urocolius macrourus), also formerly called the Blue-naped Coly (Colius macrourus) is found in the wild in the drier regions of East Africa and is also a common pet bird.

The Blue-naped mousebird (Urocolius macrourus), also formerly called the Blue-naped Coly (Colius macrourus) is found in the wild in the drier regions of East Africa and is also a common pet bird.

The Blue-naped mousebird (Urocolius macrourus), also formerly called the Blue-naped Coly (Colius macrourus) is found in the wild in the drier regions of East Africa and is also a common pet bird.