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  1. Advertisement call and tadpole morphology of the clutch-guarding frog <em>Mantidactylus argenteus</em> from eastern Madagascar

    Advertisement call and tadpole morphology of the clutch-guarding frog Mantidactylus argenteus from eastern Madagascar

    Item type: Journal Article • Journal: African Zoology • Authors: Silvia Vejarano --- Institute for Biodiversity and Ecosystem Dynamics, Zoological Museum, University of Amsterdam, the Netherlands Meike Thomas --- Department of Genetics, Evolutionary Genetics, Germany Frank Glaw --- Zoologische Staatssammlung, Germany Miguel Vences --- Institute for Biodiversity and Ecosystem Dynamics, Zoological Museum, University of Amsterdam, the Netherlands
    We provide the first descriptions of the tadpole and advertisement call of Mantidactylus argenteus. Calls consist of 6–15 short and rather melodious notes, with a dominant frequency at 4100–4400 Hz and are emitted from arboreal positions during the day. The...
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  2. <em>Xenopus laevis</em> embryos and tadpoles as models for testing for pollution by zinc, copper, lead and cadmium

    Xenopus laevis embryos and tadpoles as models for testing for pollution by zinc, copper, lead and cadmium

    Item type: Journal Article • Journal: African Zoology • Authors: Lorren K. Haywood --- Ecophysiological Studies Research Group, School of Animal, South Africa Graham J. Alexander --- Ecophysiological Studies Research Group, School of Animal, South Africa Marcus J. Byrne --- Ecophysiological Studies Research Group, School of Animal, South Africa Ewa Cukrowska --- School of Chemistry, South Africa
    The toxicity of bio available Zn, Cu, Pb, and Cd on the life stages of Xenopus laevis embryos and tadpoles was investigated. Cu and Cd were found to affect the hatching success of the embryos, with a strong negative relationship...
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  3. Mom’s taxi – Maternal care in shovel-nosed frogs <em>Hemisus marmoratus</em> and <em>Hemisus guttatus</em>

    Mom’s taxi – Maternal care in shovel-nosed frogs Hemisus marmoratus and Hemisus guttatus

    Item type: Journal Article • Journal: African Zoology • Authors: K Kyle --- Unit for Environmental Sciences and Management, South Africa LH du Preez --- Unit for Environmental Sciences and Management, South Africa
    This communication details the maternal care of Hemisus marmoratus and Hemisus guttatus. A Hemisus mother stays with the eggs, protecting them during their time in the nest chamber, and ensures their ultimate arrival in a body of water, at varying...
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  4. Observations on the breeding behaviour of the Taita dwarf toad <em>Mertensophryne taitana</em> on Mt. Mbololo, Taita Hills, Kenya

    Observations on the breeding behaviour of the Taita dwarf toad Mertensophryne taitana on Mt. Mbololo, Taita Hills, Kenya

    Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Jacob Mueti Ngwava --- National Museums of Kenya, PatrickK. Malonza --- South African National Biodiversity Institute, South Africa G. JohnMeasey --- National Museums of Kenya,
    Very little life‐history information is available regarding the 13 species of earless dwarf toads from the genus Mertensophryne. We report our observations on the breeding behaviour of M. taitana from Mount Mbololo in the Taita Hills, Kenya. Empirical data from...
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