Arctic Tern vs Cacatúa ninfa
Sterna paradisaea comparado con Nymphicus hollandicus
Side-by-Side Comparison
| Atributo | Arctic Tern | Cacatúa ninfa |
|---|---|---|
| Nombre científico | Sterna paradisaea | Nymphicus hollandicus |
| Orden | Charadriiformes | Psittaciformes |
| Familia | Laridae | Cacatuidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | 34,0 cm (13.4 in) | 32,0 cm (12.6 in) |
| Envergadura | 80,0 cm (31.5 in) | 40,0 cm (15.7 in) |
| Peso | 110,0 g (3.88 oz) | 90,0 g (3.17 oz) |
| Dieta | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Seeds, grain, berries, and plant material. Forages on the ground in open areas. In captivity, … |
| Tamaño de la puesta | 2-3 | 1-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Hábitats compartidos
Ninguno
Arctic Tern only
Cacatúa ninfa only
Arctic Tern
Breeds on coastal and tundra habitats. Spends most of its life at sea over the open ocean. Nests in colonies on beaches and rocky shores.
Cacatúa ninfa
Open arid and semi-arid habitats including scrubland, farmland, and woodland near water in Australia.
Song & Call Comparison
Arctic Tern
A sharp, grating 'kree-yah' alarm call. Also gives 'kik-kik-kik' near the nest. Highly aggressive vocally during the Arctic breeding season. Calls are harsh and insistent.
Cacatúa ninfa
A loud, whistled 'weet' or 'weeeet'. Males whistle a melodic series; contact call is a high nasal 'ny'. Capable of mimicry in captivity. Song is relatively simple but pleasant.
Geographic Range & Migration
Arctic Tern
Breeds in the Arctic and sub-Arctic. Migrates to the Antarctic, experiencing two summers per year. Found on every ocean.
Cacatúa ninfa
Interior of Australia, generally avoiding coastal areas. The second most popular pet bird worldwide.
Estado de conservación
Arctic Tern
Cacatúa ninfa
How to Tell Them Apart
Arctic Tern
Pale grey upperparts, white underparts with a black cap. Blood-red bill and short red legs. Deeply forked tail streamers. Winter adults lose the full black cap.
Slender, pointed, bright red bill
Cacatúa ninfa
Wild-type males are grey with white wing patches, a yellow face, and bright orange cheek patches. Females are duller with barred tail undersides. Many captive color mutations exist.
Short, curved, grey bill
Key Differences
- • Weight: Cockatiel (90g) vs Arctic Tern (110g)
- • Length: Cockatiel (32 cm) vs Arctic Tern (34 cm)
- • Wingspan: Cockatiel (40 cm) vs Arctic Tern (80 cm)
- • Family: Cockatiel (Cacatuidae) vs Arctic Tern (Laridae)
- • Diet complexity: Arctic Tern has a more specialized diet
About These Birds
Arctic Tern
El charrán ártico realiza la migración más larga de todos los animales, viajando cada año entre sus zonas de reproducción árticas y sus zonas de invernada antárticas, con una ida y vuelta de más de 70.000 km. Gracias a esta ruta, experimenta más horas de luz solar al año que cualquier otra criatura. Pequeño y ágil, pesa unos 100 g y se caracteriza por su pico y patas de color rojo sangre. Defiende agresivamente sus colonias de cría, llegando a …
Cacatúa ninfa
The cockatiel is the smallest member of the cockatoo family and one of the most popular pet birds globally. These gentle, intelligent parrots can learn to whistle tunes and mimic sounds. Wild cockatiels are nomadic, traveling in flocks following food and water availability across the Australian outback.