论文信息 - Patterned daytime singing of the eastern wood-pewee, Contopus virens - 字舞流文

Patterned daytime singing of the eastern wood-pewee, Contopus virens

[1] W. J. Smith. Displays of Sayornis Phoebe (Aves, Tyrannidae) , 1969 .

[2] Nicholas S. Thompson,et al. Counting and Communication in Crows , 1968 .