A whimsical waterbird with striking golden "horns," this small grebe transforms from drab to dazzling during the breeding season.

Visual Identification

Appearance

The Horned Grebe is a small waterbird with distinctive breeding plumage and a short, dagger-like bill. In summer, it displays a black head with golden 'horns', a chestnut neck, and a black-and-white body. The eyes are bright red, contrasting sharply with the dark head.

Females are similar to males, although they are smaller and less colorful in the breeding season.

In winter, the plumage becomes more subdued, with a black cap, white cheeks, and grayish body. Juveniles resemble winter adults but with striped faces.

Size

Length

31cm to 38cm

Wingspan

55cm to 64cm

Weight

300g to 570g

Colours

Males and females have similar plumage

Primary Colour

Black Brown White

Secondary Colour

Red Yellow

Beak Colour

Black

Leg Colour

Black

Habitat and Distribution

Habitats

Woodland

Garden

Wetland

Coastal

Urban

Farmland

Grassland

Desert

Tundra

Rainforest

Mountain

Savanna

Distribution

Horned Grebes breed on small freshwater ponds and lakes in northern regions of North America and Eurasia. They prefer shallow waters with abundant vegetation for nesting.

During winter, they migrate to coastal waters and large inland lakes. In North America, they can be found along both the Atlantic and Pacific coasts, as well as on the Great Lakes.

Despite being a rare species in the UK, Slavonian Grebes can be seen at all times of the year. A small breeding population of less than thirty pairs nests on lochs in the northeast of Scotland each summer.

Elevation Range

Up to 1,000 meters

Climate zones

Temperate, Subarctic

Distribution Map

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Resident
Breeding
Non-breeding
Vagrant

Distribution by Region

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Behaviour and Ecology

Bird Attributes

Tap the icon next to each attribute for more information.

Agility 85
Strength 60
Adaptability 75
Aggressiveness 50
Endurance 80

Diet

Horned Grebes primarily feed on aquatic insects, small fish, and crustaceans. They hunt by diving underwater, using their feet for propulsion and their sharp bill to catch prey.

During the breeding season, they may focus on freshwater invertebrates like beetles, dragonflies, and caddisflies and also consume plant material to supplement their diet.

Behaviour

Horned Grebes are excellent swimmers and divers, often seen diving for food with quick, sudden movements. They are generally solitary or found in pairs during breeding season but may form small flocks during migration and winter.

These birds perform elaborate courtship displays, including synchronized swimming and diving.

Vocalisation

Horned Grebes have a variety of vocalizations, particularly during breeding season. Their most distinctive call is a high-pitched, trilling 'pee-yeep' or 'pee-eep', often given in a series. During courtship, pairs may engage in duets, producing synchronized, rapid 'prrrt-prrrt' calls.

Nesting & Breeding

Horned Grebes form monogamous pairs each breeding season, typically from May to August. They engage in elaborate courtship displays, including synchronized swimming and offering of water plants to potential mates.

Nests are floating platforms of aquatic vegetation anchored to emergent plants. Females lay 2-7 pale blue eggs, which become stained brown over time.

Both parents incubate the eggs for about 23-25 days. Chicks can swim immediately after hatching and are often seen riding on their parents' backs for protection and warmth.

Lifespan

Typical Lifespan Range 10 - 15 years
0
4
9
13
17

years

The Horned Grebe typically lives for 10 to 15 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

Vulnerable [1]

The Horned Grebe is classified as Vulnerable due to population declines across its range. Threats include habitat loss, particularly the drainage of wetlands, oil spills, and other forms of water pollution. Climate change also poses a significant threat to their breeding habitats.

Population Data

Global Population Estimate

239,000 - 583,000 individuals [2]

Global Population Trend

Decreasing[3]

Birdwatching Tips

  • Look for Horned Grebes on calm lakes and coastal waters
  • Observe their distinctive diving behavior, often submerging for 30-40 seconds
  • Listen for their high-pitched, trilling calls during breeding season
  • In North America, watch for them during spring and fall migrations on inland waters

Additional Information

Quick Facts

Other names:

Slavonian Grebe

Predators

Main predators include large fish, birds of prey such as eagles and gulls, and mammals like minks and raccoons, particularly targeting eggs and young.

Did You Know?

  1. Horned Grebes can adjust their buoyancy to sink vertically in water, with only their head above the surface.
  2. They ingest their own feathers to line their stomachs and protect against sharp fish bones.
  3. Chicks can dive underwater to escape danger within hours of hatching.

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References

  1. 1

    website: BirdLife International. 2018. Podiceps auritus. The IUCN Red List of Threatened Species 2018: e.T22696606A132066871.

    View source
  2. 2 3

    report, 2012: Wetlands International