Zobrazeno 1 - 10 of 11 pro vyhledávání: '"I. J. Ferguson-Lees"'
1
OBSERVATIONS ON THE BIRDS OF BULGARIA
Autor: I. J. Ferguson-Lees, Guy Mountfort
Publikováno v: Ibis. :443-471
Summary The results of an expedition to Bulgaria during May and June 1960 are described. The majority of observations were made in the eastern regions of the Danube, the Dobrudja and particularly the lakes and woods of the Black Sea coast. Although,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a20494aee68e2fa82826a7aeea6bcb3
https://doi.org/10.1111/j.1474-919x.1961.tb02456.x
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2
A NEW SUBSPECIES OF ACROCEPHALUS BAETICATUS FROM LAKE CHAD AND A TAXONOMIC REAPPRAISAL OF ACROCEPHALUS DUMETORUM
Autor: Kenneth Williamson, C. H. Fry, I. J. Ferguson-Lees
Publikováno v: Ibis. 116:340-346
Summary A new population of African reed warblers, Acrocephalus baeticatus hopsoni, is described from Lake Chad. Its characters, together with those of unallocated material from Senegal, Eritrea and Tibesti, are intermediate between the Palaearctic A
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b22d41fed351934bd94710f10f3ac3e
https://doi.org/10.1111/j.1474-919x.1974.tb00129.x
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3
THE BIRDS OF THE COTO DOÑANA
Autor: Guy Mountfort, I. J. Ferguson-Lees
Publikováno v: Ibis. :86-109
Summary The results obtained from three spring expeditions in 1952, 1956 and 1957 to the Coto Donana, at the mouth of the Guadalquivir River in Spain, are described. A total of 210 species of birds was identified in the study area, including one new
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39508c780dc826f6691fdb47836f0bf2
https://doi.org/10.1111/j.1474-919x.1961.tb02422.x
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4
SPRING WEIGHTS OF SOME PALAEARCTIC MIGRANTS AT LAKE CHAD
Autor: I. J. Ferguson-Lees, J. S. Ash, C. H. Fry
Publikováno v: Ibis. 112:58-82
Summary A visit was made to Malamfatori, on the western shore of Lake Chad, Nigeria, from 22 March to 13 April 1967, with the principal aim of studying Palaearctic migrants in relation to the environment. About 2,400 Palaearctic migrants of 29 specie
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d37163485f701a87db96e050d12599e
https://doi.org/10.1111/j.1474-919x.1970.tb00076.x
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8
Flight muscle hypertrophy and ecophysiological variation of Yellow wagtail Motacilla flava races at Lake Chad
Autor: I. J. Ferguson‐Lees, R. J. Dowsett, C. H. Fry
Publikováno v: Journal of Zoology. 167:293-306
During the few days before emigration to the Palaearctic, the weight of Yellow wagtails wintering in Africa doubles. Most of the increase is due to the deposition of fat, as is well known, but a part of it is shown to result from hypertrophy of the p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7edc7e7ab6ec7f0bfdf71d91f24cad05
https://doi.org/10.1111/j.1469-7998.1972.tb03113.x
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