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pro vyhledávání: '"P. W. Greig-Smith"'
Autor:
P. W. Greig-Smith
Publikováno v:
Zeitschrift für Tierpsychologie. 49:197-209
Studies of ‘optimal foraging’ in birds have concentrated on species which search actively. This paper describes the organization of foraging behaviour under field conditions of a tropical ‘sit-and-wait’ predator, based on the choice of trees
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 120:284-297
SUMMARY Mixed-species flocks of birds were observed during the wet season (July to September 1975) in savanna woodland in Ghana. Thirty-four flocks contained birds of 56 species in 20 families, including insectivorous, granivorous, and nectarivorous
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 121:501-504
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 121:344-348
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 124:72-76
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 123:103-106
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 122:307-321
Summary Foraging and breeding behaviour of Seychelles Sunbirds Nectarinia dussumieri was studied for a total of four months on six islands in the Seychelles. Birds obtained nectar from indigenous and introduced plants directly (inserting the bill int
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 122:109-116
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 124:529-534
Autor:
P. W. Greig-Smith
Publikováno v:
Ibis. 120:233-235