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  • Black-legged kittiwakes (Rissa tridactyla) swarming off the bird cliff at Hornøya, Finnmark, Norway.
    43067-D.jpg
  • Northern Gannets, Morus bassanus, nesting in a large bird cliff at the island of Runbde, north-western Norway.  Do note how the birds have built their colorful nests from fishing nets gathered from the ocean.
    41533-D.jpg
  • Northern Gannets, Morus bassanus, nesting in a large bird cliff at the island of Runbde, north-western Norway.  Do note how the birds have built their colorful nests from fishing nets gathered from the ocean.
    41532-D.jpg
  • Blue Tit (Cyanistes caeruleus) at it's bird box in Vejlerne National Park, northern Denmark in late may.
    44977-D.jpg
  • Northern Gannets (Morus bassanus) nesting in a large bird cliff at the island of Runde, north-western Norway. Do note how the birds have built their colorful nests from fishing nets gathered from the ocean.
    41543-D.jpg
  • Northern Gannets (Morus bassanus) nesting in a large bird cliff at the island of Runde, north-western Norway.
    41537-D.jpg
  • Northern Gannets, Morus bassanus, nesting in a large bird cliff at the island of Runbde, north-western Norway.  Do note how the birds have built their colorful nests from fishing nets gathered from the ocean.
    41534-D.jpg
  • Northern Gannets (Morus bassanus) nesting in a large bird cliff at the island of Runde, north-western Norway.
    41540-D.jpg
  • Thousands of birds in the magnificent bird cliff at Hornøya, off Vardø, Finnmark, Norway.
    43026-D.jpg
  • Kittiwakes (Rissa tridactyla) nesting in the bird cliff at Bulbjerg, northern Jylland, Denmark.
    43908-D.jpg
  • Pair of razorbills preparing to nest in the bird cliff of Hornøya, Finnmark, Norway.
    43079-D.jpg
  • Northern Gannets (Morus bassanus) nesting in a large bird cliff at the island of Runde, north-western Norway.
    41542-D.jpg
  • Common murre (Uria aalgae) in the bird cliff of Hornøya, Finnmark, Norway.
    43047-D.jpg
  • Kittiwakes (Rissa tridactyla) nesting in the bird cliff at Bulbjerg, northern Jylland, Denmark. Do note the Indian Chief to the lesft.
    43907-D.jpg
  • Common guillemots (Uria aalge) on the edge of the steep bird cliff of Hornøya, Finnmark, Norway.
    43038-D.jpg
  • Pair of black-legged kittiwakes (Rissa tridactyla) at the bird cliff at Hornøya, Finnmark, Norway.
    43060-D.jpg
  • Three razorbills (Alca torda) on the edge of the magnificen bird cliff at Hornøya, Finnmark, Norway.
    43062-D.jpg
  • Common guillemots in-flight to the bird cliff at Hornøya, Finnmark, Norway.
    43030-D.jpg
  • King eider (Somateria spectabilis, male) from Baatsfjord, Finnmark, Norway. Do note the fishing line visible because the bird has swallowed a hook.
    44459-D.jpg
  • Secretary Bird (Sagittaria serpentaria) searching for snakes in Maasai Mara, Kenya
    44408-D.jpg
  • Secretary Bird (Sagittaria serpentaria) searching for snakes in Maasai Mara, Kenya
    44407-D.jpg
  • The bird cliff at Bulbjerg, northern Jylland, Denmark is the only bird cliff in Denmark.
    43911-D.jpg
  • Mother and subadult Kittiwakes (Rissa tridactyla) on their nest in the bird cliff at Bulbjerg, northern Jylland, Denmark.
    43910-D.jpg
  • Secretary Bird (Sagittaria serpentaria) hunting for snakes in Solio Ranch, Kenya
    43241-D.jpg
  • Secretary Bird (Sagittaria serpentaria) hunting for snakes in Maasai Mara, Kenya.
    4952-D.jpg
  • Kittiwakes and common guillemots during a light snow-shower at the bird cliff on Hornøya, Finnmark, Norway.
    43041-D.jpg
  • Large flocks of common guillemots (Uria aalge) flying over the bird cliff of Hornøya, Finnmark Norway.
    43032-D.jpg
  • Large flock of common guillemots (Uria aalge) in the steep bird cliff of Hornøya, Finnmark, Norway.
    43036-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
  • Rosy-faced love bird (Agapornis roseicollis). Photo from Phoenix, Arizona (USA) where a population originating from escaped captivated birds has been established.
    44194-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
  • 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
  • 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
  • Rosy-faced love bird (Agapornis roseicollis). Photo from Phoenix, Arizona (USA) where a population originating from escaped captivated birds has been established.
    44195-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
  • Black-legged Kitti Wake (Rissa tridactyla) in the bird cliff at Vestre Burgerbukta, Hornsund, south-western Spitsbergen, Svalbard.
    41227-D.jpg
  • Bird cliff with nesting pairs of Brünnich's Guillemot (Uria lomvia) in Ice-fjord, Svalbard
    41037-D.jpg
  • Atlantic puffin (Fratercula arctica) from the bird cliff at Hornøya, Finnmark, Norway.
    43045-D.jpg
  • Stork (Ciconia ciconia) from Mandal, southern Norway, in Match 2010.  This large bird is a rare guest in southern Norway.
    41888-D.jpg
  • Photographing parakeets at Bird Garden (Yuen Po Street), Kowloon, Hong Kong, China.
    46035-D.jpg
  • Bird cliff with nesting pairs of Brünnich's Guillemot (Uria lomvia) in Ice-fjord, Svalbard.
    41036-D.jpg
  • Sweni River, Satara, Kruger NP, South Africa in November. Sweni Bird Hide at the right.
    49035-D.jpg
  • South African giraffe (Giraffa giraffa giraffa) drinking form a bird bath in Zimanga Private Game Reserve, South Africa.
    57001-D.jpg
  • Bird's Island with a shallow fringing reef off the coast of northerbn Viti Levu, Fiji
    18229.jpg
  • Old tree with nests of social weaver birds (southern masked weaver, Ploceua velatus, and Red-billed buffalo weaver, Bubalornis niger) at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45346-D.jpg
  • Migrating birds, mostly sanderlings and common ringed plovers, at Revtangen (Rogaland, Norway) in September.
    44756-D.jpg
  • White-bellied go-away-bird (Crinifer leucogaster) from Samburu National Reserve, Kenya.
    44971-D.jpg
  • Bird's-nest fern (Asplenium nidus) from Sabah, Borneo.
    11056-D.jpg
  • Black-legged Kittiwake (Rissa tridactyla) in a bird-cliff at Hornsund, Spitsbergen, Svalbard
    41040-D.jpg
  • Rosy-faced love birds (Agapornis roseicollis). Photo from Phoenix, Arizona (USA) where a population originating from escaped captivated birds has been established.
    44192-D.jpg
  • Rosy-faced love birds (Agapornis roseicollis). Photo from Phoenix, Arizona (USA) where a population originating from escaped captivated birds has been established.
    44193-D.jpg
  • Nest colonies of social weaver birds (southern masked weaver, Ploceus velatus, and Red-billed buffalo weaver, Bubalornis niger) at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45407-D.jpg
  • Old tree with nests of social weaver birds (southern masked weaver, Ploceus velatus, and Red-billed buffalo weaver, Bubalornis niger) at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45406-D.jpg
  • Old tree with nests of social weaver birds (southern masked weaver, Ploceus velatus, and Red-billed buffalo weaver, Bubalornis niger) at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45345-D.jpg
  • Rosy-faced love birds (Agapornis roseicollis). Photo from Phoenix, Arizona (USA) where a population originating from escaped captivated birds has been established.
    44191-D.jpg
  • Marine lake and resting birds at Margrethe Kog (Wadden Sea National Park), Højer Municipality (close to the city of Toender) south-western Jylland, Denmark.
    30040-D.jpg
  • Dray savannah and bushland in Samburu National Reserve is the home to the Somali Ostrich, a northern species of large, flightless birds.
    40154-D.jpg
  • Blue sunset and migrating birds in Spring at Hidra in south-western Norway.
    23552-D.jpg
  • Madagascar kestrel (Falco newtoni).
    43458-D.jpg
  • Madagascar kestrel (Falco newtoni).
    43457-D.jpg
  • Short-toed snake eagle (Circaetus gallicus) from jawai, Rajasthan, India.
    43773-D.jpg
  • Secretarybird (Sagittarius serpentarius) against the rising sun in Maasai Mara, Kenya.
    43517-D.jpg
  • Purple heron (Ardea purpurea madagascariensis) from Andasibe, eastern Madagascar.
    43486-D.jpg
  • Malagasy bulbul (Hypsipetes madagascariensis) from Berenty, southern Madagascar
    43476-D.jpg
  • White-eared bulbul (Pycnonotus leucotis) from Jawai-area, Rajasthan, India.
    43787-D.jpg
  • Pipit (Anthus sp. ), possibly paddyfield pipit (A. rufulus), from Jawai, Rajasthan, India.
    43780-D.jpg
  • Black redstart (Phoenicurus ochruros) from Jawai-area, Rajasthan, India in february.
    43785-D.jpg
  • Short-toed snake eagle (Circaetus gallicus) from jawai, Rajasthan, India.
    43772-D.jpg
  • White wagtail (Motacilla alba, probably subspecies M. a. alboides) from Kaziranga  National Park, Assam, north-east India.
    43614-D.jpg
  • Grey-headed fish eagle (Ichthyophaga  (=Haliaeetus) ichthyaetus) from Kaziranga National Park, Assam, north-east India.
    43613-D.jpg
  • Crested serpent eagle (Spilornis cheela) from Kaziranga National Park, Assam, north-east India.
    43594-D.jpg
  • Northern lapwing (Vanellus vanellus) from Kaziranga National Park, Assam, north-east India in February.
    43598-D.jpg
  • Woolly-necked stork (Ciconia episcopus) from Kaziranga National Park, Assam, north-east India.
    43605-D.jpg
  • Green-backed kingfisher (Actenoides monachus monachus) from Tangkoko Nature Reserve, northern Sulawesi, Indonesia.
    43547-D.jpg
  • Sulawesi Scops Owl (Otus manadensis) from Tangkoko NP, northern Sulawesi, Indonesia.
    43542-D.jpg
  • Temminck's courser (Cursorius temminckii) from Maasai Mara, Kenya.
    43531-D.jpg
  • Northern grounded hornbill (Bucorvus abyssinicus) from Maasai Mara, Kenya.
    43527-D.jpg
  • Black crake (Amaurornis flavirostra) from Lake Naivasha, Kenya.
    43525-D.jpg
  • Isabelline wheatear (Oenanthe isabellina) from Jawai-area, Rajasthan, India in February.
    43792-D.jpg
  • Variabel wheatear (Oenanthe picata) from Jawai-area, Rajasthan, India in February.
    43786-D.jpg
  • Female of chestnut-bellied sandgrouse (Pterocles exustus) from Jawai-area, Rajasthan, India.
    43783-D.jpg
  • Male of chestnut-bellied sandgrouse (Pterocles exustus) from Jawai-area, Rajasthan, India.
    43782-D.jpg
  • Short-toed snake eagle (Circaetus gallicus) from Jawai, Rajasthan, India.
    43774-D.jpg
  • Slender-billed vulture (Gyps tenuirostris) from Kaziranga National Park, Assam, north-east India.
    43612-D.jpg
  • Indian cormorant (Phalacrocorax fuscicollis) from Kaziranga National Park, Assam, north-east India.
    43599-D.jpg
  • Yellow-footed green pigeon (Treron phoenicoptera) from Kaziranga National Park, Assam, north-east India.
    43600-D.jpg
  • Grey-backed shrike (Lanius tephronotus) from Kaziranga National Park, Assam, north-east india.
    43608-D.jpg
  • Black-hooded oriole (Oriolus xanthornus) from Kaziranga National Park, Assam, north-east India.
    43606-D.jpg
  • Great Hornbill (Buceros bicornis) from Kaziranga National Park, Assam, north-east India.
    43568-D.jpg
  • Green-backed kingfisher (Actenoides monachus monachus) from Tangkoko Nature Reserve, northern Sulawesi, Indonesia.
    43548-D.jpg
  • Great kiskadee (Pitangus sulphuratus) from the forest surrounding Lake Garzacocha, Ecuador.
    43539-D.jpg
  • Marabou storks (Leptoptilos crumeniferus) from Maasai Mara, Kenya.
    43528-D.jpg
  • White-backed vulture (Gyps africanus) at inflight in Maasai Mara, Kenya.
    43530-D.jpg
  • Rüppell's griffon vulture (Gyps rueppelli) at inflight in Maasai Mara, Kenya.
    43529-D.jpg
  • Gray kestrel (Falco ardosiaceus) from Maasai Mara, Kenya.
    43515-D.jpg
  • Gray kestrel (Falco ardosiaceus) from Maasai Mara, Kenya.
    43514-D.jpg
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Alf J. Nilsen Natural History images

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