White-backed Vulture

About

The White-backed Vulture is a medium-sized Old World vulture, characterized by its pale underparts, dark flight feathers, and a distinctive white rump and lower back, which is particularly noticeable in flight. It is a social scavenger, often seen in large groups at carcasses, and plays a crucial ecological role in nutrient cycling.

Size & lifespan

Length

78-90 cm

Wingspan

196-225 cm

Weight

4.2-7.2 kg

Lifespan

Up to 20 years in the wild, longer in captivity

Diet

Carnivore (obligate scavenger)

Physical characteristics

Plumage

Adults have a dirty white to buffy-white body plumage, contrasting with dark brown to black flight feathers and tail. The most distinctive feature is the white lower back and rump, which gives the species its name. The neck is covered in sparse, downy white feathers, and the head is largely featherless, appearing dark grey to blackish. The ruff around the base of the neck is white and fluffy.

Beak shape

The beak is robust and hooked, typical of vultures, with a dark horn-colored culmen and a paler, yellowish cere. The tip is dark.

Eye color

Dark brown.

Leg color

Dark grey to blackish.

Distinguishing features

White lower back and rump (visible in flight), pale underparts contrasting with dark flight feathers, and a relatively short tail. The featherless dark head and neck, and white fluffy ruff are also key features.

Juvenile appearance

Juveniles are generally darker overall than adults, with a more uniform dark brown plumage. The white rump is less distinct or absent, and the underparts are streaked. The head and neck are also darker, and the ruff is less prominent. They gradually acquire adult plumage over several years.

Seasonal changes

No significant seasonal plumage changes. Plumage can appear dirtier or stained depending on feeding habits.

Sexual dimorphism

Males and females are monomorphic in plumage and size, making them indistinguishable in the field.

How to identify

1. 1

   Plumage Coloration

   Look for the dirty white to buffy-white body contrasting with dark flight feathers. The most definitive feature is the bright white lower back and rump, especially visible when the bird is soaring or in flight.

2. 2

   Head and Neck

   Observe the dark, featherless head and neck, often appearing blackish-grey, topped with a fluffy white ruff at the base of the neck.

3. 3

   Flight Profile

   In flight, the wings are held in a slight dihedral (V-shape). The contrast between the pale body and dark flight feathers, along with the white rump, is key. They are graceful soarers.

4. 4

   Social Behavior

   Often seen in groups, both soaring and at carcasses. Their presence in large numbers at a kill is a strong indicator.

Habitat & range

Biomes

Savannas, grasslands, open woodlands, and thorny scrublands.

Geographic range

Sub-Saharan Africa, primarily across the Sahel region, East Africa, and Southern Africa. Its range has significantly contracted due to population declines.

Elevation range

Typically found from sea level up to 3,000 meters, but most common in lower to mid-altitudes.

Preferred environments

Prefers areas with abundant large ungulate populations (for carrion) and scattered tall trees (for nesting and roosting). Avoids dense forests and deserts.

Behavior

Activity time

Diurnal, active during daylight hours for foraging and soaring.

Feeding habits

An obligate scavenger, feeding almost exclusively on carrion. It is often among the first vultures to arrive at a carcass, using its keen eyesight to spot dead animals from high altitudes. They are highly social feeders, often congregating in large numbers, and their relatively weak beaks are adapted for tearing softer tissues and accessing internal organs once larger vultures or mammalian scavengers have opened the carcass.

Social behavior

Highly social, often seen in large flocks, especially at roosting sites, waterholes, and carcasses. They nest colonially or semi-colonially.

Flight pattern

Known for its graceful and efficient soaring flight. It utilizes thermals to gain altitude and covers vast distances with minimal effort, often circling high above the landscape in search of food. Flight appears buoyant, with wings held in a slight dihedral.

Migration pattern

Primarily resident throughout its range, but some populations may undertake local movements in response to food availability or seasonal changes. Juveniles may disperse more widely.

Territoriality

Not territorial in the traditional sense, especially regarding feeding grounds. Nesting pairs defend a small area immediately around their nest.

Breeding & reproduction

Breeding season

Varies geographically, but generally during the dry season when food is more abundant due to higher mortality rates of ungulates. For example, in Southern Africa, it's typically May-August; in East Africa, it can be year-round with peaks.

Nesting habits

Nests are large, bulky platforms made of sticks, typically built high in the canopy of large acacia or baobab trees. They often nest in loose colonies or individually, but usually within sight of other nests. Both parents contribute to nest building.

Clutch size

1 egg

Egg description

Usually a single egg, rarely two. The egg is dull white, often with reddish-brown blotches or spots, particularly at the broader end.

Incubation period

Approximately 56-60 days, shared by both parents.

Fledging period

Chicks fledge around 120-130 days after hatching, but remain dependent on parents for several weeks to months.

Parental care

Both parents share incubation duties and care for the chick, bringing regurgitated food to the nest.

Where to find

Field tips

1. Scan the skies. Spend time scanning the sky, especially during the warmer parts of the day, for soaring vultures. They often circle in thermals.
2. Follow other scavengers. Keep an eye on other scavengers like jackals or hyenas, or even other raptors, as they may lead you to a carcass where vultures will congregate.
3. Use binoculars/spotting scope. Due to their high-flying nature and often distant feeding sites, good optics are essential for clear identification of plumage details like the white rump.
4. Visit waterholes. Vultures often visit waterholes to drink and bathe, especially after feeding, providing good viewing opportunities.

Similar species

Quick facts

Conservation Status:

Critically Endangered

Diet:

Carrion (obligate scavenger)

Sociality:

Highly social

Key ID Feature:

White lower back and rump

Flight Style:

Efficient thermal soaring

Fun facts

• White-backed Vultures are often the first species to arrive at a carcass, despite their relatively weaker beaks, due to their excellent eyesight and widespread distribution.
• They play a vital role in ecosystem health by rapidly consuming carrion, which helps prevent the spread of diseases and recycles nutrients.
• Their populations have plummeted dramatically in recent decades, primarily due to poisoning (both intentional and unintentional), habitat loss, and collisions with power lines.
• Despite their large size, they are relatively agile at a carcass, often pushing their heads deep into the body cavity to access softer tissues.

Scientific classification

Kingdom

Animalia

Phylum

Chordata

Class

Aves

Order

Accipitriformes

Family

Accipitridae

Genus

Gyps

Species

Gyps africanus

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