Status, biometrics, moult and possible relationships of the South African population of Roseate Tern
The breeding population of Roseate Terns in southern Africa was estimated to be 250–260 pairs in 2000. Adult birds caught during nocturnal tern roost mist-netting on Bird Island and at Cape Recife, both in Algoa Bay, were closest to their North Atlantic counterparts in wing, bill, total head length,...
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Ostrich: Journal of African Ornithology
2003
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ftjafricanj:oai:ojs.ajol.info:article/20069 2023-05-15T15:44:41+02:00 Status, biometrics, moult and possible relationships of the South African population of Roseate Tern AJ Tree NTW Klages Marine and Coastal Management 2003-01-01 application/pdf http://ajol.info/index.php/ostrich/article/view/20069 en eng Ostrich: Journal of African Ornithology http://ajol.info/index.php/ostrich/article/view/20069 Copyright for articles published in this journal is retained by the journal. Ostrich: Journal of African Ornithology; Vol 74, No 1 (2003); 74-80 Peer-reviewed Article 2003 ftjafricanj 2010-01-05T09:26:37Z The breeding population of Roseate Terns in southern Africa was estimated to be 250–260 pairs in 2000. Adult birds caught during nocturnal tern roost mist-netting on Bird Island and at Cape Recife, both in Algoa Bay, were closest to their North Atlantic counterparts in wing, bill, total head length, tail and mass measurements. Adult moult differs from that of other populations. The two series wing moult of adults begins in the austral winter and lasts through summer; three feather series may be present in the primary remiges of immature birds. Evidence at present points to reproductive isolation of the South African population and to a degree of migratory behaviour, the extent of which remains unknown. However, size, breeding periodicity and low inter-annual return rate of ringed adults in successive seasons suggests a possible link with the southern Madagascan population. (Ostrich: 2003 74(1&2): 74–80) Article in Journal/Newspaper Bird Island North Atlantic AJOL - African Journals Online Austral Bird Island ENVELOPE(-38.060,-38.060,-54.004,-54.004) |
institution |
Open Polar |
collection |
AJOL - African Journals Online |
op_collection_id |
ftjafricanj |
language |
English |
description |
The breeding population of Roseate Terns in southern Africa was estimated to be 250–260 pairs in 2000. Adult birds caught during nocturnal tern roost mist-netting on Bird Island and at Cape Recife, both in Algoa Bay, were closest to their North Atlantic counterparts in wing, bill, total head length, tail and mass measurements. Adult moult differs from that of other populations. The two series wing moult of adults begins in the austral winter and lasts through summer; three feather series may be present in the primary remiges of immature birds. Evidence at present points to reproductive isolation of the South African population and to a degree of migratory behaviour, the extent of which remains unknown. However, size, breeding periodicity and low inter-annual return rate of ringed adults in successive seasons suggests a possible link with the southern Madagascan population. (Ostrich: 2003 74(1&2): 74–80) |
author2 |
Marine and Coastal Management |
format |
Article in Journal/Newspaper |
author |
AJ Tree NTW Klages |
spellingShingle |
AJ Tree NTW Klages Status, biometrics, moult and possible relationships of the South African population of Roseate Tern |
author_facet |
AJ Tree NTW Klages |
author_sort |
AJ Tree |
title |
Status, biometrics, moult and possible relationships of the South African population of Roseate Tern |
title_short |
Status, biometrics, moult and possible relationships of the South African population of Roseate Tern |
title_full |
Status, biometrics, moult and possible relationships of the South African population of Roseate Tern |
title_fullStr |
Status, biometrics, moult and possible relationships of the South African population of Roseate Tern |
title_full_unstemmed |
Status, biometrics, moult and possible relationships of the South African population of Roseate Tern |
title_sort |
status, biometrics, moult and possible relationships of the south african population of roseate tern |
publisher |
Ostrich: Journal of African Ornithology |
publishDate |
2003 |
url |
http://ajol.info/index.php/ostrich/article/view/20069 |
long_lat |
ENVELOPE(-38.060,-38.060,-54.004,-54.004) |
geographic |
Austral Bird Island |
geographic_facet |
Austral Bird Island |
genre |
Bird Island North Atlantic |
genre_facet |
Bird Island North Atlantic |
op_source |
Ostrich: Journal of African Ornithology; Vol 74, No 1 (2003); 74-80 |
op_relation |
http://ajol.info/index.php/ostrich/article/view/20069 |
op_rights |
Copyright for articles published in this journal is retained by the journal. |
_version_ |
1766379069349298176 |