226304 materialEducativo

textoFiltroFicha
  • Mi piace 0
  • Visite 3
  • Commenti 0
  • Salva su
  • Azioni

Info su questa risorsa...

Northern Pintail
Bird
Artículo WikipediaFuente Dbpedia
The Pintail or Northern Pintail (Anas acuta) is a duck with wide geographic distribution that breeds in the northern areas of Europe, Asia and North America. It is migratory and winters south of its breeding range to the equator. Unusually for a bird with such a large range, it has no geographical subspecies if the possibly conspecific duck Eaton's Pintail is considered to be a separate species.This is a large duck, and the male's long central tail feathers give rise to the species' English and scientific names. Both sexes have blue-grey bills and grey legs and feet. The drake is more striking, having a thin white stripe running from the back of its chocolate-coloured head down its neck to its mostly white undercarriage. The drake also has attractive grey, brown, and black patterning on its back and sides. The hen's plumage is more subtle and subdued, with drab brown feathers similar to those of other female dabbling ducks. Hens make a coarse quack and the drakes a flute-like whistle.The Northern Pintail is a bird of open wetlands which nests on the ground, often some distance from water. It feeds by dabbling for plant food and adds small invertebrates to its diet during the nesting season. It is highly gregarious when not breeding, forming large mixed flocks with other species of duck. This duck's population is affected by predators, parasites and avian diseases. Human activities, such as agriculture, hunting and fishing, have also had a significant impact on numbers. Nevertheless, the fact that this species has huge range and large population mean that it is not threatened globally.
Estado de conservación LC
Sistema de estado de conservación IUCN3.1
Sinónimo Dafila acuta

Mappa concettuale: Northern Pintail

Contenuti esclusivi per i membri di

D/i/d/a/c/t/a/l/i/a
Il login

Mira un ejemplo de lo que te pierdes

Categorie:

Fecha publicación: 30.5.2015

Commenta

0

Vuoi lasciare un commento? Iscriviti o inizia sessione

Unisciti a Didactalia

Browse among 226304 resources and 560540 people

Regístrate >

O conéctate a través de:

Si ya eres usuario, Inicia sesión

Vuoi accedere a più contenuti educativi?

Inizia la sessione Unisciti a una lezione
x

Aggiungere a Didactalia Arrastra el botón a la barra de marcadores del navegador y comparte tus contenidos preferidos. Más info...

Gioco Aiuto
Juegos de anatomía
Selecciona nivel educativo