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Serra da Estrela Natural Park and hypogean habitat used by individuals of Rana iberica: A entrance of the underground spring B Schistostega pennata covering walls and floor of the drainage gallery C horizontal tunnel of drainage gallery. Photo A by Madeira M, B by Rosa GM, C by Laurentino T.
Polar coordinates representing the activity cycle and breeding period of Rana iberica in two different sites (inside the drainage gallery in Sazes and the whole area of Planalto Superior) in Serra da Estrela; Portugal. Dark brown areas: post-metamorphic phase; beige areas: larval phase; green areas: adults in breeding activity.
Adult individuals of Rana iberica found inhabiting a drainage gallery in Serra da Estrela, Portugal: A male with typical lichen-shaped pattern on the back B female hidden in a crevice of the gallery C male climbing up the wall D couple in axillary amplexus in water E axillary amplexus out of the water. Photos by Rosa GM.
Egg and early life stages of Rana iberica inhabiting a drainage gallery in Serra da Estrela, Portugal: A egg mass stuck to underwater rock (28 January, 2012) B eggs’ detail with new born tadpoles (one day old) C tadpole with dark pigmented colouration (Gosner stage 25; 11 March, 2012) D recently post-metamorphic individual (31 May, 2012). Photos by Rosa GM.