Senegal Thick-knee

Least Concern

Burhinus senegalensis

Known as the "guardian of the Nile," this long-legged wader keeps a watchful eye over riverbanks and wetlands across Africa and parts of the Middle East.

Visual Identification

Appearance

The Senegal Thick-knee is a medium-sized wader with a distinctive large head and eyes. Its plumage is primarily mottled brown and grey, providing excellent camouflage. The bird has a prominent black and white stripe above and below its large yellow eyes.

Both sexes look similar, with no significant seasonal changes in plumage. Juveniles resemble adults but have slightly duller colouration and less defined eye stripes.

The legs are a dull pale yellow, and the knees are prominent, hence its descriptive nomenclature.

Size

Length

38cm to 43cm

Wingspan

80cm to 90cm

Weight

290g to 460g

Colours

Males and females have similar plumage

Primary Colour

Brown Grey

Secondary Colour

White Black

Beak Colour

Black Yellow

Leg Colour

Yellow

Habitat and Distribution

Habitats

Woodland

Garden

Wetland

Coastal

Urban

Farmland

Grassland

Desert

Tundra

Rainforest

Mountain

Savanna

Distribution

The Senegal Thick-knee inhabits a wide range across sub-Saharan Africa, from Senegal to Ethiopia and south to Kenya and Tanzania. It prefers open, dry habitats such as grasslands, savannahs, and the edges of wetlands.

These birds are generally non-migratory but may make local movements in response to changing water levels or food availability. They are rarely found outside their African range.

Elevation Range

Up to 1,500 meters

Climate zones

Tropical, Subtropical

Distribution Map

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Behaviour and Ecology

Bird Attributes

Tap the icon next to each attribute for more information.

Agility 75
Strength 60
Adaptability 85
Aggressiveness 40
Endurance 70

Diet

Senegal Thick-knees are omnivorous, feeding primarily on insects, small reptiles, and amphibians.

They forage by walking slowly and pecking at the ground, using their large eyes to spot prey in low light conditions. During the day, they may also consume seeds and small fruits.

Behaviour

Senegal Thick-knees are primarily nocturnal, becoming active at dusk. They often stand motionless for long periods, relying on their camouflage to avoid detection.

When alarmed, these birds prefer to run rather than fly, adopting a hunched posture with their heads lowered.

Vocalisation

The Senegal Thick-knee has a distinctive, mournful call often heard at night. Its vocalisation is a series of whistling notes, typically described as a repeated "kwee-kwee-kwee" or "wee-wee-wee", which rises and falls in volume and pitch. During the day, they are generally silent unless alarmed.

Nesting & Breeding

Breeding occurs year-round in most of its range, with peaks during the dry season. Senegal Thick-knees form monogamous pairs and engage in courtship displays involving head-bobbing and wing-spreading.

Nests are simple scrapes on the ground, often near water. The female typically lays two eggs, which are cryptically coloured to blend with the surrounding soil.

Both parents incubate the eggs for about 25-27 days. Chicks are precocial, able to walk and feed themselves shortly after hatching, but remain under parental care for several weeks.

Lifespan

Typical Lifespan Range 10 - years
0
1
1
2
2

years

The Senegal Thick-knee typically lives for 10 years.

Like all birds, lifespan can be affected by factors including predation, habitat quality, disease, and access to food sources.

Conservation and Status

Global Conservation Status

Least Concern [1]

While the Senegal Thick-knee is currently listed as Least Concern, it faces threats from habitat loss due to agricultural expansion and urbanisation.

Conservation efforts focus on protecting wetland and grassland habitats within its range.

Population Data

Global Population Estimate

Unknown

Global Population Trend

Unknown

Trend data may be uncertain or fluctuating

Birdwatching Tips

  • Look for Senegal Thick-knees in open, dry habitats near water bodies.
  • Listen for their distinctive calls at night, which can help locate them.
  • Use a spotlight carefully at night to observe their behaviour, but avoid disturbing them.
  • Search for their cryptic plumage against bare ground or short grass during the day.

Additional Information

Quick Facts

Other names:

Senegal Stone-curlew

Family:

Burhinidae

Predators

Main predators include large raptors, jackals, and monitor lizards. Eggs and chicks are vulnerable to a wider range of predators, including snakes and small carnivores.

Did You Know?

  1. Senegal Thick-knees have exceptionally large eyes, which help them see in low light conditions.
  2. They can survive in areas with little water, obtaining most of their moisture from their food.
  3. These birds have a unique defensive behaviour of lying flat on the ground with eyes closed when threatened.

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References

  1. 1

    website: BirdLife International. 2016. Burhinus senegalensis. The IUCN Red List of Threatened Species 2016: e.T22693580A93413540.

    View source