Emanuele Biggi / White-spotted cochran frog (Sachatamia albomaculata) pair in amplexus whilst sitting on leaf, Panama.
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Emanuele Biggi / Close-up of Balearic green toad (Bufotes balearicus) male's eye, Rome, Italy.
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Emanuele Biggi / Long fingered slender toad (Ansonia longidigita) male calling from top of rock as female below approaches, Kubah National Park, Sarawak, Borneo.
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Emanuele Biggi / Smooth newt (Lissotriton vulgaris meridionalis) male swimming in pool, Rome, Italy.
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Emanuele Biggi / Smooth newt (Lissotriton vulgaris meridionalis) male resting on algae covered rock in pond, Tolfa, Rome, Italy
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Emanuele Biggi / Agile frog (Rana dalmatina) male sitting at bottom of pond during breeding season, Circeo National Park, Italy.
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Emanuele Biggi / Common toad (Bufo bufo) male swims to surface as pair behind spawn in amplexus, Luni, Viterbo, Italy.
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Emanuele Biggi / Common toad (Bufo bufo) male holding dead female in amplexus, Viterbo, Italy. Female likely killed by mating ball behaviour.
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Emanuele Biggi / Green toad (Bufotes balearicus) male sitting on boardwalk on street at night after rain, Rome, Italy.
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Andrew Parkinson / Mountain hares (Lepus timidus) pair in winter coat, nuzzling in snow, Cairngorms National Park, Scotland, UK. February.
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Andrew Parkinson / Mountain hares (Lepus timidus) pair in winter coat, touching noses in snow, Cairngorms National Park, Scotland, UK. February.
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Andrew Parkinson / RF - Mountain hares (Lepus timidus) pair in winter coat, nuzzling, Cairngorms National Park, Scotland, UK. February. (This image may be licensed either as rights managed or royalty free.)