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Red-chested cuckoo (Cuculus solitarius) parasitism of brown scrub-robin (Cercotrichas signata): a new host record (Aves: Cuculidae; Turdidae) : scientific notes

  • Journal Title: Annals of the Ditsong National Museum of Natural History
  • Volume: Volume 2
  • Issue: 
  • Publication Date: 2012
  • Pages: 135  - 139
  • Authors:  Gregory B.P. Davies;  Hugh N. Chittenden;  Geoffrey R. Nichols;  Guy Upfold;
  • ISSN: 22204563
  • Abstract:  In southern Africa, red-chested cuckoo (Cuculus solitarius) is segregated into at least two gentes, i.e., female-based, host-specific brood-parasitic groupings within a single species (Campbell and Lack, 1985: 250). As such the cuckoo exhibits egg polymorphism, laying at least two different egg types (Tarboton, 2001: 102): firstly, an olive-brown egg overlaid with varying amounts of chocolate-brown, typically laid in the nests of Cossypha robin-chats (Rowan, 1983; Oatley and Arnott, 1998: 221-236), and, secondly, a less common, pale green egg speckled with reddish-brown laid in the nests of bearded scrub-robin (Cercotrichas quadrivirgata) in Maputaland, KwaZulu-Natal (Oatley, 1970).
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