Types of feathers

Types of feathers

The animation demonstrates the most important types of feathers and their fine structure.

زيست شناسى

کلیدواژه‌ها

feather, feather type, plumage, bird feather type, bird, down feather, pigeon, rachis, vaned feather, flight feather, rectrix, contour feather, calamus, insulation, beak, crop, animal, vertebrates, biology

موارد مربوط

نماها

موارد مربوط

دام

این انیمیشن حیواناتی را نشان می دهد که معمولاً به عنوان دام و بریدگی های اولیه گوشت نگهداری می شوند۔

بالابان

بالابان پرنده ای بزرگ شکارچی است که در اروپا و آسیا پراکنده است۔

پنگوئن امپراطور

پنگوئن ها پرندگانی هستند که در قطب جنوب زندگی می کنند و با سرما و شنا سازگار هستند۔

Archaeopteryx

The archaeopteryx shows characteristics of both birds and reptiles. It is probably the ancestor of birds.

Arctic tern

The Arctic tern is famous for its long migration route: it flies from the Arctic to the Antarctic and back again each year.

Common blackbird

This animation demonstrates birds' bones and eggs through the example of the common blackbird.

Common kingfisher

The characteristic colours of the common kingfisher aid the bird in catching its prey.

Dodo

The dodo is an extinct species of birds that used to be native to the island of Mauritius. It has become the symbol of extinction.

Mallard

This animation demonstrates the anatomy of birds through the example of mallards.

Marsh harrier

Marsh harriers are birds of prey found almost worldwide.

Western jackdaw

Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.

لایه های پوست؛ حواس پوستی

پوست پوشش نرم بیرونی بدن ماست، سه لایه آن اپیدرم، پوست حقیقی و هیپودرم است۔

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