Paul D Stewart / Illustration of Peeping frog - now commonly called Northern Leopard frog (Rana pipiens) plate by Hill. From George Shaw 'General Zoology or Systematic Natural History 1802.
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Bernard Castelein / Hubbard's Sportive lemur (Lepilemur hubbardorum) peeping out from tree hole, Zombitse-Vohibasia NP, Madagascar
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Andrew Parkinson / Brown hare (Lepus europaeus) alert adult, covered in ice, peeping out of form. Derbyshire, UK, March.
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Alex Hyde / Rock Dove / Feral Pigeon (Columba livia) nesting in building. Portsmouth, UK, July.
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Denis-Huot / Spotted hyaena (Crocuta crocuta) mother with young at den, Masai-Mara game reserve, Kenya.
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Denis-Huot / Young Leopard (Panthera pardus) looking out from behind tree, Masai-Mara game reserve, Kenya.
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David Tipling / Barn Owl (Tyto alba) peering from barn door, Kent, UK.
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Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) babies poking head out of nest, Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.
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Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) baby poking head out of burrow. Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.
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Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) emerging from nest burrow, Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.
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Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) mother greeting baby sticking head out of burrow, Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.
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Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) looking round tree trunk, Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.
