A medium-sized diving duck species native to Eurasia, characterized by a distinctive tuft of feathers on the back of its head. Sexually dimorphic diving waterfowl with specialized aquatic adaptations.
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Ecology & Habitat
Habitat
Freshwater lakes, reservoirs, large rivers, coastal marine environments, and wetland ecosystems across temperate and subarctic regions of Europe and Asia
Ecological Role
Key species in aquatic food webs, controlling invertebrate populations, serving as prey for predators, and indicating wetland ecosystem health
Morphology
SKIN COATDense waterproof plumage, predominantly black and white coloration with iridescent sheens
LIMBS WINGSPowerful webbed feet positioned posteriorly for propulsion, wingspan 65-72 cm, strong flight muscles
HEAD SENSORYProminent head tuft, sharp bill adapted for underwater foraging, excellent underwater vision
BODY STRUCTURECompact body, length 40-47 cm, weight 0.6-1.0 kg, streamlined for efficient diving and swimming
Data Source: TaxonHub Database
Image Credit: Alexis Lours
