Titicaca Grebe vs Australasian Grebe
Rollandia microptera verglichen mit Tachybaptus novaehollandiae
Side-by-Side Comparison
| Merkmal | Titicaca Grebe | Australasian Grebe |
|---|---|---|
| Wissenschaftlicher Name | Rollandia microptera | Tachybaptus novaehollandiae |
| Ordnung | Podicipediformes | Podicipediformes |
| Familie | Podicipedidae | Podicipedidae |
| Erhaltungsstatus | Endangered | Least Concern |
| Länge | — | — |
| Flügelspannweite | 23,5 cm (9.3 in) | 20,4 cm (8.0 in) |
| Gewicht | 706,0 g (24.90 oz) | 190,5 g (6.72 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1-4 | 1-9 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Endangered
Titicaca Grebe
Least Concern
Australasian Grebe
About These Birds
Titicaca Grebe
Titicaca Grebe (Rollandia microptera) is a large 28–45 cm flightless grebe endemic to Lake Titicaca on the Peru-Bolivia border at 3,800 m elevation. Brown with rufous neck; greatly reduced wings. Largest of its genus. Endangered; population ~2,000 birds; declining from gill-net drowning, egg collection, and reed-bed reduction. IUCN Endangered.
Australasian Grebe
Australasian Grebe (Tachybaptus novaehollandiae) is a small 23–25 cm grebe of Australia, New Guinea, and many Pacific islands. Dark brown in breeding plumage with rich chestnut face sides and pale spot at base of bill. Inhabits freshwater lakes, ponds, reservoirs, and slow rivers. Very common across Australia.