A swift, Apus a. apus, with twelve rectrices

By

Roo, A De

Type

Article

Date of Publication

1967

Original Publication

Bulletin of the British Ornithologists' Club

Volume

87

Pages

141--142

Contributed by

BioStor

Published by

London, British Ornithologists' Club, 1893-

Identifiers

BioStor: https://biostor.org/reference/112881