Types of feathers
The animation demonstrates the most important types of feathers and their fine structure.
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
- - The forelimbs of birds used in flying. The average flying speed of pigeons is about 30 km/h (18.64 mph) but carrier pigeons can reach twice this speed.
- - An enlargement of a bird's esophagus in which food is stored and partially digested. Pigeons produce crop milk from the secretion of the crop and the food stored there, which is a nutrient for young birds.
- - It is composed of rectices. It is used as a rudder, helping the bird to steer and maneuver in flight.
The archaeopteryx shows characteristics of both birds and reptiles. It is probably the ancestor of birds.
The Arctic tern is famous for its long migration route: it flies from the Arctic to the Antarctic and back again each year.
This animation demonstrates birds' bones and eggs through the example of the common blackbird.
The characteristic colors of the common kingfisher aid the bird in catching its prey.
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.
Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.
This animation presents animals commonly kept as livestock and the primal cuts of their meat.
This animation demonstrates the anatomy of birds through the example of mallards.
Marsh harriers are birds of prey found almost worldwide.
The saker falcon is a large bird of prey widespread in Europe and and Asia.
Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.
The skin is the soft outer covering of our body, its three layers are the epidermis, the dermis and the hypodermis.