oa Madoqua - The high incidence and origin of two-egg clutches in a Damara Tern colony in southwestern Namibia
|Article Title||The high incidence and origin of two-egg clutches in a Damara Tern colony in southwestern Namibia|
|© Publisher:||Namibian Ministry of Environment and Tourism|
|Affiliations||1 *Ministry of Fisheries and Marine Resources, Luderitz, Namibia. **Ornithology Section, Ministry of Environment & Tourism, Windhoek, Namibia|
|Publication Date||Jan 1997|
|Pages||111 - 113|
|Keyword(s)||Body mass, Communal mobbing, Dry salt pan, Egg volume, Limited food resources, Salt ridges, Tern's noncolonial habits, Topographically flat and Vulnerability to predation|
Damara Terns Sterna balaenarum laid two-egg clutches in less than 0.9% of over 500 nests reported in coastal Namibia since 1975. In 1991, during renewed efforts to completely survey Damara Tern population throughout Namibia, a colony was re-discovered at Hottentot Bay in southwestern Namibia.Of 12 nests with eggs at least 4 (33%) had two eggs.
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