Wednesday, November 13, 2019

Observations on the breeding behaviour of the Tanga'eo or Mangaia Kingfisher ( Halcyon tuta ruficollaris )

TitleObservations on the breeding behaviour of the Tanga'eo or Mangaia Kingfisher ( Halcyon tuta ruficollaris )
Publication TypeJournal Article
Year of Publication1996
AuthorsRowe, S, Empson, R
JournalNotornis
Volume43
Issue1
Pagination43-50
Type of Articlepaper
Keywordsbreeding, Cook Islands, Halcyon tuta ruficollaris, Mangaia kingfisher
Abstract

The breeding behaviour of Tanga'eo or Mangaia Kingfisher (Halcyon tutu ruficollaris) on the island of Mangaia in the Cook Islands was investigated in 1992. Calls and breeding behaviour are described from a study of pairs and trios. At least six calls were distinguished. Clutch size appeared to be two eggs for pairs and three eggs for trios. Incubation time was between 21 and 23 days, while the fledging period was estimated at approximately 26 days. Both birds of a pair and all members of a trio excavated nest holes, incubated, brooded and fed the chicks. In trios with two males, both males courtship fed and copulated with the female, suggesting a polyandrous relationship. The breeding behaviour and relationship of trios, and the effects of Mynas on breeding success warrant further investigation.

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