Zobrazeno 1 - 5
of 5
pro vyhledávání: '"U. M. Venables"'
Autor:
L. S. V. and U. M. Venables.
Publikováno v:
Ibis. 94:636-653
Summary. 1 The Blackbird Turdus merula has now bred on Shetland for about 70 years and colonized all but four of the inhabited islands. A few isolated territories occur in the hills. 2 Of 204 occupied nests 50% were inside buildings, 19% in stone wal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85dec068763dcd3da2e189d026027c13
https://doi.org/10.1111/j.1474-919x.1952.tb01877.x
https://doi.org/10.1111/j.1474-919x.1952.tb01877.x
Autor:
U. M. Venables, L. S. V. Venables
Publikováno v:
Proceedings of the Zoological Society of London. 132:665-669
SUMMARY 1 A colony of Phoca vitulina was under regular observation from 23rd May to 10th June 1958. Outbursts of sexual rolling were common between subadult pairs. No yearlings and no pregnant females took part, and fully grown bulls did so rarely. 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b302a880c77a660484099aa65dd6efb
https://doi.org/10.1111/j.1469-7998.1959.tb05545.x
https://doi.org/10.1111/j.1469-7998.1959.tb05545.x
Publikováno v:
Proceedings of the Zoological Society of London. 125:521-532
Summary. 1 May to September observations on a colony of c. 400 Phoca vitulina in Shetland. The limiting factors of the habitat are described. 2 Daily 8 a.m. counts showed that numbers hauled out depended chiefly on swell or human disturbance (both er
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::882cab783ebfc0d1c4a88ad5e35fc904
https://doi.org/10.1111/j.1096-3642.1955.tb00614.x
https://doi.org/10.1111/j.1096-3642.1955.tb00614.x
Autor:
L. S. V. Venables, U. M. Venables
Publikováno v:
Proceedings of the Zoological Society of London. 128:387-396
SUMMARY 1 The pupping season of Phoca vitulina in Shetland is approximately 14th June to 5th July. 2 Preceding the pupping season there is a period of excited erotic rolling behaviour among “pairs”. We have not seen this lead to coition nor have
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a0fe598075d9b3fda36b5b1f5c2800e
https://doi.org/10.1111/j.1096-3642.1957.tb00332.x
https://doi.org/10.1111/j.1096-3642.1957.tb00332.x
Autor:
U. M. Venables, L. S. V. Venables
Publikováno v:
The Journal of Animal Ecology. 17:66
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7fa28a2c7b1969fced95ffc0c7fc981
https://doi.org/10.2307/1610
https://doi.org/10.2307/1610