Urocolius macrourus
The Blue-naped Mousebird is a slender, long-tailed bird with predominantly grey-brown plumage. Its most distinctive feature is a bright turquoise-blue patch on the nape, contrasting with its otherwise muted colouration. The tail, which makes up about two-thirds of its total length, is graduated and often held vertically.
Both sexes look similar, with a slight crest on the head and crimson-red skin around the eyes. Juveniles resemble adults but lack the blue nape patch and have pinker facial skin.
Length
33cm to 36cm
Wingspan
25cm to 30cm
Weight
34g to 65g
Males and females have similar plumage
Primary Colour
Grey Brown
Secondary Colour
Blue
Beak Colour
Black Red
Leg Colour
Red
Woodland
Garden
Wetland
Coastal
Urban
Farmland
Grassland
Desert
Tundra
Rainforest
Mountain
Savanna
Blue-naped Mousebirds inhabit a range of semi-arid habitats across eastern and northeastern Africa. They are commonly found in savanna woodlands, acacia scrub, and riverine forests. These birds also frequent gardens and cultivated areas with sufficient tree cover.
Their distribution extends from Sudan and Ethiopia southwards to Tanzania and Kenya. While not present in outside Africa, they are popular in zoos and aviaries worldwide.
Up to 2,100 meters
Tropical, Subtropical
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Share your thoughtsOur bird attributes system rates various aspects of a bird's capabilities on a scale of 0-100, based on data from field observations, scientific studies, and expert knowledge.
Remember, these attributes are relative to other bird species and don't necessarily indicate superiority.
Hover over the icon next to each attribute for more information.
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Reflects the bird's manoeuvrability, speed, and grace in flight or movement.
Exceptional agility demonstrated through their unique ability to hang upside down, crawl mouse-like through vegetation, and perform acrobatic feeding manoeuvres. Their specialised toe-locking mechanism and ability to navigate dense foliage whilst maintaining precise control shows remarkable dexterity.
Indicates the bird's physical power, often correlating with size and hunting abilities.
Whilst not particularly powerful, these small birds possess sufficient strength to support their body weight in unusual positions and manipulate vegetation for feeding and nest-building. Their strong feet enable their distinctive climbing behaviour.
Represents the bird's ability to thrive in various environments or changing conditions.
Highly adaptable species that thrives across various habitats from savanna to gardens, surviving at elevations up to 2,100 metres. Their ability to enter torpor for energy conservation and diverse feeding habits demonstrate excellent adaptability to environmental challenges.
Measures the bird's territorial behaviour and assertiveness, particularly during breeding seasons.
Generally peaceful and social birds that live harmoniously in groups of 6-20 individuals. Whilst they may defend their nests, they show limited aggressive behaviour, preferring cooperative social interactions including mutual preening.
Reflects the bird's stamina, often seen in migration patterns or foraging behaviours.
Good endurance evidenced by their ability to remain active throughout the day, engaging in constant foraging and social activities. Their capacity to lock their toes for extended periods and survive in semi-arid conditions demonstrates decent stamina, though they're not known for particularly long flights.
Blue-naped Mousebirds are primarily herbivorous, feeding on a variety of fruits, berries, leaves, and buds. They show a particular fondness for figs and have been known to cause damage to fruit crops.
Their diet is supplemented with insects, especially during the breeding season when protein requirements are higher.
Blue-naped Mousebirds are highly social, often seen in small groups of 6-20 individuals. They move through vegetation with a mouse-like crawling motion, using their strong feet and stiff tail feathers for support.
These birds are known for their unique ability to hang upside down while feeding, demonstrating remarkable agility in trees and shrubs.
Blue-naped Mousebirds are vocal birds, frequently communicating with soft, high-pitched twittering calls. Their vocalisations include a distinctive 'tseee-tseee-tseee' sound, often given in flight or when perched.
During feeding or social interactions, they produce a variety of chirps and trills, creating a constant chatter within their groups.
Breeding occurs year-round, with peaks during the rainy seasons. Blue-naped Mousebirds form monogamous pairs and engage in mutual preening as part of their courtship ritual. They construct cup-shaped nests using plant material, often placed in dense foliage for concealment.
Females typically lay 2-4 eggs, which are white with brown speckles. Both parents share incubation duties, which last about 11-12 days. The eggs hatch asynchronously, meaning chicks in the same nest can be at different stages of development.
Nestlings are altricial, born naked and helpless. They fledge after approximately 17-18 days but remain dependent on their parents for several weeks afterwards, often returning to the nest to roost.
years
The Blue-naped Mousebird typically lives for 7 to 10 years, with a maximum recorded lifespan of 16 years.
Like all birds, lifespan can be affected by factors including predation, habitat quality, disease, and access to food sources.
The Blue-naped Mousebird is currently listed as Least Concern by the IUCN. Its wide distribution and adaptability to various habitats contribute to its stable population.
However, local declines may occur due to habitat loss in some areas, particularly where savanna and woodland are converted for agriculture.
Blue-naped Coly
Main predators include birds of prey such as hawks and falcons, as well as snakes and small carnivorous mammals that can access their nests.
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website: BirdLife International. 2024. Urocolius macrourus. The IUCN Red List of Threatened Species 2024: e.T22683792A263670912.
View sourcereport, 2001: del Hoyo et al.