Charrán Ártico vs Cacatúa ninfa

Sterna paradisaea comparado con Nymphicus hollandicus

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Side-by-Side Comparison

Atributo Charrán Ártico 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
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Size Comparison

Body Length
Charrán Ártico 34,0 cm
Cacatúa ninfa 32,0 cm
Envergadura
Charrán Ártico 80,0 cm
Cacatúa ninfa 40,0 cm
Peso
Charrán Ártico 110,0 g
Cacatúa ninfa 90,0 g
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Habitat Comparison

Hábitats compartidos

Ninguno

Charrán Ártico only

Cacatúa ninfa only

Charrán Ártico

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.

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Song & Call Comparison

Charrán Ártico

Canto

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

Canto

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.

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Geographic Range & Migration

Charrán Ártico

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.

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Estado de conservación

Least Concern

Charrán Ártico

Least Concern

Cacatúa ninfa

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How to Tell Them Apart

Charrán Ártico

Plumaje

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.

Pico

Slender, pointed, bright red bill

Cacatúa ninfa

Plumaje

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.

Pico

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
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About These Birds

Charrán Ártico

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

La cacatúa ninfa es el miembro más pequeño de la familia de las cacatúas y una de las aves de compañía más populares del mundo. Estos loros dóciles e inteligentes pueden aprender a silbar melodías e imitar sonidos. En estado salvaje son nómadas y se desplazan en bandadas siguiendo la disponibilidad de agua y alimento por el interior semiárido de Australia.

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