Metapopulation: a set of local populations within some larger area, where typically migration from one local population to at least some other patches is possible.
Spermatophore: gelatinous jelly cone with a sperm cap deposited by a male during courtship and picked up by the cloacal lips of the female.
T. Beebee and R. Griffiths. (2000) Amphibians and reptiles: A natural history of the British herpetofauna The New Naturalist Series. HarperCollins, London.