WORKING at first with four birds (A, B, C and D) I made the following observations on the songs of Chaffinches (FringiUa c. gengleri) in a coastal area of south Devon during the spring of 1942. B and C held adjacent territories and their songs were inter-audible, but A's territory was separated from these by a river and marsh and D's from A's by a small town ; so there was no chance of imitation of ...
This article is only available to registered users.
To read more, please log in or purchase a subscription.
