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Mousebird

Mousebirds
Temporal range: ?Late Paleocene to present
Urocolius macrourus-20090110B.jpg
Blue-naped mousebird (Urocolius macrourus)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Coraciimorphae
Order: Coliiformes
Murie, 1872
Family: Coliidae
Swainson, 1837
Genera

Colius
Urocolius
For fossil taxa, see text.


Colius
Urocolius
For fossil taxa, see text.

The mousebirds (family Coliidae, order Coliiformes) are a family of birds. They are the sister group to the clade Eucavitaves, which includes the cuckoo roller (Leptosomatiformes), trogons (Trogoniformes), Bucerotiformes, Coraciformes and Piciformes. The mousebirds are therefore given order status as Coliiformes. This group is confined to sub-Saharan Africa, and is the only bird order confined entirely to that continent. They had a wider range in prehistoric times and apparently evolved in Europe.

They are slender greyish or brown birds with soft, hairlike body feathers. They are typically about 10 cm in body length, with a long, thin tail a further 20–24 cm in length, and weigh 45–55 grams. They are arboreal and scurry through the leaves like rodents, in search of berries, fruit and buds. This habit, and their legs, gives rise to the group's English name. They are acrobatic, and can feed upside down. All species have strong claws and reversible outer toes (pamprodactyl feet). They also have crests and stubby bills.

Mousebirds are gregarious, again reinforcing the analogy with mice, and are found in bands of about 20 in lightly wooded country. These birds build cup-shaped twig nests in trees, which are lined with grasses. Two to four eggs are typically laid, hatching to give altricial young which develop quickly and soon leave the nest and acquire flight.


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Wikipedia

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