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Article
R. E. Moreau ; H. N. Southern 1958-05-01Proceedings of the Zoological Society of London, 130(3)Chlorophoneus multicolor and C. nigrifrons (possibly conspecific) are polymorphic forest shrikes that are widely but discontinuously distributed over most of tropical Africa. Between them they show five main colour-phases of the under-parts (eac[...]
Article
Article
H. N. Southern ; J. S. Watson ; Dennis Chitty 1946Journal of Animal Ecology, 15(2)1. Most nocturnal vertebrates cannot be watched during the greater part of their normal activities and successful photographs are often a matter of chance. 2. By means of infra-red radiation and a special telescope it is now possible to make con[...]
Article
H. N. Southern 1940-11-01Annals of Applied Biology, 27(4)
