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Caring glassfrog fathers have smaller testes
Universität Bern (Suíça) - Publicado em 22 fevereiro 2024An international team of researchers including the University of Bern shows in a new study that male glassfrogs that care for their offspring have smaller testes than males of species that do not provide any brood care. This indicates an evolutionary trade-off between sperm production and parenting. Living in the tropical rainforests of Central and South America, frogs of the glassfrog family are fascinating because of their transparent skin on their belly, which reveals their internal [...] -
Caring glassfrog fathers have smaller testes
MyScience (Reino Unido) - Publicado em 22 fevereiro 2024An international team of researchers including the University of Bern shows in a new study that male glassfrogs that care for their offspring have smaller testes than males of species that do not provide any brood care. This indicates an evolutionary trade-off between sperm production and parenting. Living in the tropical rainforests of Central and South America, frogs of the glassfrog family are fascinating because of their transparent skin on their belly, which reveals their internal [...]