La Tour du Valat

Article

Diversification of a ‘great speciator’ in the Wallacea region: differing responses of closely related resident and migratory kingfisher species (Aves: Alcedinidae: Todiramphus)

Darren P. O'Connell, Auteur ; David J. Kelly, Auteur ; Naomi Lawless, Auteur ; Adi Karya, Auteur ; Kangkuso Analuddin, Auteur ; Nicola M. Marples, Auteur

Dans Ibis (161(4) 2019)

The Collared Kingfisher species complex is the most widespread of the ‘great speciator’ lineages of the Indo-Pacific. They have shown a remarkable ability to spread and diversify. As a result of this rapid diversification, Todiramphus species ar[...]

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Article

Increased sexual dimorphism in dense populations of Olive-backed Sunbirds on small islands: morphological niche contraction in females but not males

Darren P. O’Connell, Auteur ; David J. Kelly, Auteur ; Seán B. A. Kelly, Auteur ; Síofra Sealy, Auteur ; Adi Karya, Auteur ; Kangkuso Analuddin, Auteur ; Nicola M. Marples, Auteur

Dans Emu - Austral Ornithology (119(3) July, 2019)

Competition takes place not only between species but also within them. Intersexual competition for resources may increase sexual dimorphism in body size to minimise ecological niche overlap. Change in the level of sexual dimorphism in a species [...]

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