Chris Mattison / Western spadefoot toad (Pelobates cultripes) Algarve, Portugal
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Alex Hyde / Wildlife photographer taking picture of Apollo butterfly (Parnassius apollo) Nordtirol, Austrian Alps, July.
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Alex Hyde / Apollo butterfly (Parnassius apollo) Nordtirol, Austrian Alps, July.
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Robert Thompson / Apollo (Parnassius apollo) on flower, Col du Lombardie, Isola village, Mercantour National Park, Provence, France, July.
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Edwin Giesbers / Apollo butterfly (Parnassius apollo) on knapweed flower, Aosta Valley, Gran Paradiso National Park, Italy.
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Edwin Giesbers / Apollo butterfly (Parnassius apollo) on knapweed flower, Aosta Valley, Gran Paradiso National Park, Italy.
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Edwin Giesbers / Apollo butterfly (Parnassius apollo) close up detail of wing spots patterns, Aosta Valley, Gran Paradiso National Park, Italy.
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Edwin Giesbers / Apollo butterfly (Parnassius apollo) close up detail of wing spots , Aosta Valley, Gran Paradiso National Park, Italy.
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Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) Alpha male 'Ferdinand' aged 20 years and male ' Apollo' aged 33 years grooming male 'Freud' aged 41 years. Gombe National Park, Tanzania. October 2...
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Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) male 'Faustino' aged 23 years leaving Alpha male 'Ferdinand' aged 20 years and 'Apollo' aged 33 years watching. Gombe National Park, Tanzania.
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Peter Schwarz/ BIA / Mountain Apollo (Parnassius apollo) butterfly, Valais, Switzerland
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Peter Schwarz/ BIA / Mountain Apollo (Parnassius apollo) butterfly, Valais, Switzerland
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Robert Thompson / Apollo butterfly (Parnassius apollo) Sottoguda-paluce, Dolomites, Italy. June.