oa Madoqua - The high incidence and origin of two-egg clutches in a Damara Tern colony in southwestern Namibia



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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