Burung laut (Seabirds)
Western Grebe
Aechmophorus occidentalis
- langka
- 84 km/h
- Risiko rendah
Pairs run on water in synchronized rushing displays. Your message arrives via the bird world's best dance routine.
- Populasi
- ~80,000-90,000 mature individuals (est. 120,000-130,000 total individuals); trend listed as stable, though a survey-based decline of ~2%/year 1968-2015 (breeding pop. ~87,000)
- Habitat
- Large freshwater lakes and marshes with a mix of open water and emergent (reed/rush) vegetation for breeding; winters largely on sheltered coastal marine waters, bays, and estuaries, sometimes on large reservoirs or inland lakes/rivers
- Fakta menarik
- Western Grebe courtship features a dramatic "rushing" display in which paired birds rear up and sprint side-by-side across the water's surface, walking on it at speed with their bodies nearly vertical.
- Sebaran
- Western North America, breeding from south-central Canada through the western U.S. into northern Mexico; winters along the Pacific coast from southern Alaska/British Columbia to Mexico
- Makanan
- Primarily fish (e.g., carp, herring, silversides), taken by diving and spearing/grasping with the bill; supplemented with salamanders, crustaceans, marine worms, grasshoppers, and aquatic insects/larvae
- Ukuran
- 0,65 m
- Bentang sayap
- 0,61 m
- Masa hidup
- 8 tahun
