Feathers.

Moult and ageing of European passerines / by: (Language materials, printed)

Feathers : = the evolution of a natural miracle / by: (Language materials, printed)

The evolution of feathers = from their origin to the present / by: (Electronic resources)

Birds.

Animal Physiology.

Evolutionary Biology.

Passeriformes- Europe.

Animal Ecology.

Paleontology.

Animal Anatomy / Morphology / Histology.

Vertebrates.

Birds- Age determination.

Feathers.

Molting.