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  • Mother and baby Olive Baboon (Papio anubis) from Serengeti, Tanzania.
    1591-D.jpg
  • Large colony of Northern Gannets (Morus bassanus) at Gjesvaer, close to Nordkap, Finmark, Norway.
    41489-D.jpg
  • Large colony of Northern Gannets (Morus bassanus) at Gjesvaer, close to Nordkapp, Finnmark, Norway.
    41488-D.jpg
  • Large colony of Northern Gannets (Morus bassanus) at Gjesvaer, close to Nordkap, Finnmark, Norway.
    41266-D.jpg
  • Large colony of Northern Gannets (Morus bassanus) at Gjesvaer, close to Nordkap, Finnmark, Norway.
    41265-D.jpg
  • Black-legged Kitti Wake (Rissa tridactyla) nesting in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard. Do note the tall nest pillar, which is very old and where a new nest is built on top of last year's nest.
    41236-D.jpg
  • Black-legged Kitti Wake (Rissa tridactyla) nesting in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard. Do note the tall nest pillar, which is very old and where a new nest is built on top of last year's nest.
    41235-D.jpg
  • Glaucous Gull (Larus hyperboreus) nesting at Hornsund, south-western Spitsbergen, Svalbard.
    44788-D.jpg
  • Glaucous Gull (Larus hyperboreus) nesting at Hornsund, south-western Spitsbergen, Svalbard.
    41256-D.jpg
  • Glaucous Gull (Larus hyperboreus) nesting at Hornsund, south-western Spitsbergen, Svalbard.
    41255-D.jpg
  • Pair of Emerald Damselfly, Lestes sponsa, mating. Male at the top.
    9274-D.jpg
  • Aquarium-raised Percula Clownfishes (Amphiprion percula).
    35035-D.jpg
  • Large colony of Northern Gannets (Morus bassanus) at Gjesvaer, close to Nordkap, Finnmark, Norway.
    41268-D.jpg
  • Large colony of Northern Gannets (Morus bassanus) at Gjesvaer, close to Nordkap, Finnmark, Norway.
    41257-D.jpg
  • Black-legged Kitti Wake (Rissa tridactyla) nesting in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41242-D.jpg
  • Black-legged Kitti Wake (Rissa tridactyla) in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41231-D.jpg
  • Black-legged Kitti Wake (Rissa tridactyla) in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41227-D.jpg
  • Pair of Black-legged Kitty Wake (Rissa tridactyla) mating at the Bird Cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41046-D.jpg
  • Pair of Black-legged Kitty Wake (Rissa tridactyla) mating at the Bird Cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41045-D.jpg
  • An Ocellaris Clownfish (Amphiprion ocellaris) guards the hatching eggs carefully.
    2719-D.jpg
  • Large colony of Northern Gannets (Morus bassanus) at Gjesvaer, close to Nordkap, Finnmark, Norway.
    41262A-D.jpg
  • Large colony of Northern Gannets (Morus bassanus) at Gjesvaer, close to Nordkap, Finnmark, Norway.
    41258-D.jpg
  • Black-legged Kitti Wake (Rissa tridactyla) nesting in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41251-D.jpg
  • Black-legged Kitti Wake (Rissa tridactyla) nesting in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41249-D.jpg
  • Black-legged Kitti Wake (Rissa tridactyla) nesting in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41247-D.jpg
  • Pair of yellow-banded conops (Conops quadrifasciatus) mating. Photo from southern Norway ina August.
    9611-D.jpg
  • Pair of yellow-banded conops (Conops quadrifasciatus) mating. Photo from southern Norway ina August.
    9610-D.jpg
  • Reproduction in Spanish Slugs, Arion vulgaris. The hermafroditic specimens are exchanging sperm pcakages.
    7205-D.jpg
  • Reproduction in Spanish Slugs, Arion vulgaris. The hermafroditic specimens are exchanging sperm pcakages.
    7206-D.jpg
  • Mating lions in Nairobi NP, Kenya.
    55330-D.jpg
  • Mating pair of lions in Nairobi National Park, Kenya.
    55275-D.jpg
  • A chicken hammers its way out of the egg from a Great Black-backed Gull (Larus marinus), south-western Norway.
    4443-D.jpg
  • Mating pair of lions in Nairobi National Park, Kenya.
    55329-D.jpg
  • Mating lions in Nairobi NP, Kenya.
    55331-D.jpg
  • Mating lions in Nairobi NP, Kenya.
    55332-D.jpg
  • Mating lions in Nairobi NP, Kenya.
    55333-D.jpg
  • A chicken hammers its way out of the egg from a Great Black-backed Gull (Larus marinus), south-western Norway.
    4444-D.jpg
  • Nest and eggs of Great Black-backed Gull (Larus marinus), sout-western Norway.
    4437-D.jpg
  • Tired mating pair of lions in Nairobi National Park, Kenya.
    55276-D.jpg
  • Mating lions in Nairobi NP, Kenya.
    55334-D.jpg
  • Mating lions in Nairobi NP, Kenya.
    55335-D.jpg
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Alf J. Nilsen Natural History images

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