Cassell's Book of Birds, Part 2
Boring Books for Bedtime Readings to Help You Sleep
00:00
The Feathered Species of Birds
The oil with which birds preen their feathers and the glands that supply it constitute a remarkable provision peculiar to the feathered creation. A maxillary stripe commences at the base of the under mandible and descends on the sides of the neck. The pairing of birds is a feature in their history which draws a broad line of distinction between the feathered tribes and the generality of quadruped. In this circumstance we may see a reason for the faithful love of the feathered mate as contrasted with the fragrant disposition of the quadruped.
Transcript
Play full episode
