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Bird

Little Grebe

Tachybaptus ruficollis

RL LCΒ§ ProtectedπŸ”¬ BioindicatorπŸ¦… Migratory

The Little Grebe is a small, stocky waterbird characterized by a distinctive pale patch at the base of its bill. In breeding plumage, it displays chestnut-colored cheeks and neck, whereas its non-breeding plumage is a more muted grey-brown. It is an excellent diver and prefers nutrient-rich, still waters with dense vegetation.

Details

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Identification

Compact body, short pointed bill with a yellowish-white patch at the gape, reddish-brown neck sides in breeding plumage.

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Social behavior

Highly territorial during the breeding season, often found in loose groups on ice-free waters during winter.

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Diet

Insects and their larvae, small crustaceans, mollusks, and occasionally small fish and tadpoles.

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Hunting strategy

Active hunting by diving; searches the bottom of the water body and aquatic plants for prey.

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Overwintering

Overwinters on ice-free inland waters or in sheltered marine bays.

Ecology

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Ecological role

Predator of aquatic invertebrates and small fish; serves as prey for larger birds of prey and predatory fish.

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Natural predators

Pike, Marsh Harrier, Brown Rat, Fox (especially at nests).

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Competitor species

Other grebes such as the Black-necked Grebe or Eurasian Coots when foraging.

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Ecosystem service

Regulation of insect populations in aquatic habitats.

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Threats

Habitat loss due to drainage, disturbance during the breeding season, pollution of water bodies.

Scientific profile

Morphology & ID

Family
Grebes
Order
Grebes
Body length
23 – 29 cm
Wingspan
40 – 45 cm
Weight
130 – 236 g
Lifespan
10 years
Leg colour
Greenish-grey to blackish; toes with broad, lobed webs (typical for Podicipediformes).

Breeding plumage

Dark brown to blackish-brown upperparts, chestnut-red neck sides and cheeks. Prominent yellowish-white patch at the base of the bill (gape). Underparts brownish-white.

Non-breeding plumage

Overall paler and less contrasty. Upperparts grey-brown, throat whitish, flanks light brown to buff. The yellow gape patch is absent or very pale.

Juvenile plumage

Head with characteristic black and white stripes. Body plumage brownish-grey. Bill yellowish with a dark tip.

Sexual dimorphism

Minimal; males are on average slightly larger and heavier than females, plumage is identical in both sexes.

Distinguishing features

Smallest European grebe. Dumpy shape with a conspicuously fluffy rear end ('powder-puff'). Yellow gape patch in breeding plumage. Often resembles a small floating ball.

Confusion species

Black-necked Grebe (Podiceps nigricollis) in non-breeding plumage (which has a steeper forehead and slightly upturned bill), Slavonian Grebe (Podiceps auritus).

Bill

Short, straight, and pointed. Black with a pale tip in breeding plumage; more brownish-yellow in non-breeding plumage and juveniles.

Vocalization

Vocalization period
Mainly from March to July during territory establishment and the breeding season; occasionally also in wintering quarters.

Song

A very loud, long-lasting, whinnying trill 'bibibibibibi', often performed as a duet by the pair and carrying far across the water.

Call

A short, metallic 'whit' or 'bi-it' used as a warning or contact call.

Distribution & migration

Migration type
Partial migrant
Arrival monthsMar – Apr
J
F
M
A
M
J
J
A
S
O
N
D
Departure monthsSep – Nov
J
F
M
A
M
J
J
A
S
O
N
D

Breeding range

Widespread in the Palearctic (Europe to Japan), Africa, and parts of South Asia. Occurs throughout Central Europe.

Wintering range

Winters in ice-free inland waters, rivers, or sheltered coastal areas within or south of the breeding range.

Migration details

Resident in mild regions; short-distance migrant in colder areas. Moves to flowing waters or coasts when lakes freeze over.

Habitat

Territory size
Relatively small, often only 0.1 to 0.5 hectares; aggressively defends the immediate vicinity of the nest.

Breeding habitat

Small, nutrient-rich standing waters (ponds, oxbow lakes, gravel pits) with well-developed marginal vegetation and submerged plants. Also on slow-flowing ditches.

Foraging habitat

Shallow water zones with abundant invertebrates and small fish, often near structural vegetation.

Breeding biology

Breeding monthsApr – Aug
J
F
M
A
M
J
J
A
S
O
N
D
Nest location
Floating
Clutch size
4 – 6 eggs
Broods per year
1 – 3 broods
Incubation (days)
20 – 25 days
Fledging (days)
40 – 50 days

Nest construction

Floating nest made of decaying plant material (reeds, aquatic plants), usually anchored to marginal vegetation or overhanging branches.

Eggs

Initially pure white, but quickly stain yellowish-brown to dark brown through contact with damp nesting material.

Parental care

Both parents incubate and lead the young. The chicks are often carried on the parents' backs during the first few days.

Diet & behaviour

Activity pattern
Diurnal

Diet breeding

Predominantly aquatic insects and their larvae (dragonflies, beetles, bugs), small crustaceans, mollusks, and occasionally tadpoles.

Diet winter

Increasing proportion of small fish (e.g., sticklebacks, gudgeons, small perch) alongside invertebrates.

Feeding technique

Diving (usually 10-20 seconds deep), picking from the water surface, or searching through submerged plants.

Foraging strategy

Active underwater searching; uses dense vegetation as cover and hunting grounds.

Sociality

Strictly territorial and solitary during the breeding season; more gregarious in winter, though it does not form large, stable flocks.

Flock behaviour

Loose aggregations possible at food-rich, ice-free waters in winter, but no coordinated flock movements.

Protection & threats

IUCN Red List statusLeast Concern (LC)
LC
NT
VU
EN
CR
EW
EX

Main threats

Loss of small water bodies through drainage, disturbance from angling and recreational activities, eutrophication, predation by invasive species such as the American mink.

Population trend

Stable; widespread in Germany with an estimated 15,000 to 27,000 breeding pairs (ADEBAR).

Conservation measures

Protection and creation of small water bodies, preservation of reed and marginal vegetation, management of recreational activities at breeding sites.

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