Browsing by Author "Nwankwo, Emmanuel C."
Now showing items 1-3 of 3
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Article
Investigation of the status of the enigmatic White-chested Tinkerbird Pogoniulus makawai using molecular analysis of the type specimen
Kirschel, Alexander N. G.; Nwankwo, Emmanuel C.; Gonzalez, Juan Carlos T. (2018)Following the discovery of a uniquely plumaged Pogoniulus tinkerbird in Cryptosepalum forest in northwest Zambia in 1964 and its subsequent description in 1965 as a distinct species, White-chested Tinkerbird Pogoniulus ...
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Article
Rampant introgressive hybridization in Pogoniulus tinkerbirds (Piciformes: Lybiidae) despite millions of years of divergence
Nwankwo, Emmanuel C.; Mortega, Kim G.; Karageorgos, Athanasios; Ogolowa, Bridget O.; Papagregoriou, Gregory; Grether, Gregory F.; Monadjem, Ara; Kirschel, Alexander N. G. (2019)Abstract. Incomplete reproductive isolation between related species of birds at contact zones is increasingly being documented. Such hybridization typically oc
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Article
Rapid song divergence leads to discordance between genetic distance and phenotypic characters important in reproductive isolation
Nwankwo, Emmanuel C.; Pallari, Chryso Th.; Hadjioannou, Louis; Ioannou, Andreas; Mulwa, Ronald K.; Kirschel, Alexander N. G. (2018)The criteria for species delimitation in birds have long been debated, and several recent studies have proposed new methods for such delimitation. On one side, there is a large consensus of investigators who believe that ...