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  • 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
  • Nest colony of the southern masked veaver (Ploceus velatus) at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45348-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
  • Nest colony of the southern masked veaver (Ploceus velatus) at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45347-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
  • Nest colony of the southern masked veaver (Ploceus velatus) at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45349-D.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
  • Male of southern masked weaver (Ploceus velatus) building nest at Lower Sabie, Kruger NP, South Africa.
    45370-D.jpg
  • Male of southern masked weaver (Ploceus velatus) building nest at Lower Sabie, Kruger NP, South Africa.
    45369-D.jpg
  • Red-billed buffalo weaver (Bubalornis niger) building nest at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45359-D.jpg
  • Village weaver (Ploceus cuccullatus) building nest.  Zimanga, South Africa.
    44058-D.jpg
  • Madagascan nightjar (Caprimulgus madagascariensis) nesting in the forest close to Palmarium Resort, eastern Madagascar.
    43500-D.jpg
  • Southern rockhopper (Eudyptes chrysocome) nests at Saunders Island, the Falkland Islands.
    43301-D.jpg
  • Great Blue Heron (Ardea herodias) nesting in the mangrowe swamp at Elizabeth Bay, Isabela, Galapagos.
    42244-D.jpg
  • Northern Gannets (Morus bassanus) nesting in a large bird cliff at the island of Runde, north-western Norway.
    41537-D.jpg
  • Barn Swallow (Hirundo rustica rustica) feeding the offspring.
    41568-D.jpg
  • Southern rockhopper (Eudyptes chrysocome) nests at Saunders Island, the Falkland Islands.
    43299-D.jpg
  • Southern rockhopper (Eudyptes chrysocome) nests at Saunders Island, the Falkland Islands.
    43300-D.jpg
  • An Antarctic Shag (Phalacrocorax bransfieldensis) collecting sea weed for nest material. Photo from Port Lockroy, the Antarctic Peninsula.
    43194-D.jpg
  • Pair of ringed kingfishers (Megaceryle torquata) with nest opening visible in the muddy banks of Cuiabá River, Pantanal, Brazil.
    43005-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. Do note how the birds have built their colorful nests from fishing nets gathered from the ocean.
    41543-D.jpg
  • Pair of southern masked weaver (Ploceus velatus) building nest at Lower Sabie, Kruger NP, South Africa.
    45371-D.jpg
  • Thick-billed weaver (Amblyospiza albifrons) building nest. Photo from Lower Sabie, Kruger NP, South Africa.
    45368-D.jpg
  • Thick-billed weaver (Amblyospiza albifrons) building nest. Photo from Lower Sabie, Kruger NP, South Africa.
    45365-D.jpg
  • Black-legged kittiwakes (Rissa tridactyla) nesting in the window shelf of an old boathouse in Vadsö, Varanger, eastern Finnmark, Norway in March.
    44496-D.jpg
  • Hyacinth macaw (Anodorhynchus hyacinthinus) nesting in an artifical nesting site at Araras Ecolodge, Pantanal, Brazil.
    43550-D.jpg
  • Madagascan nightjar (Caprimulgus madagascariensis) nesting in the forest close to Palmarium Resort, eastern Madagascar.
    43499-D.jpg
  • Imperial shag (Phalacrocorax atriceps) nesting at Saunders Island, the Falkland Islands
    43289-D.jpg
  • Pair of hyacinth macaws (Anodorhynchus hyacinthinus) nesting in an artifical nesting site at Araras Ecolodge, Pantanal, Brazil.
    43011-D.jpg
  • A big male orangutan resting in its nest where it will spend the night. Kinabatangan River, Sabah, Borneo.
    55595-D.jpg
  • Malaysian pied fantail (Rhipidura javanica) nesting in Danum Valley, Sabah, Borneo.
    42684-D.jpg
  • Pair of southern masked weaver (Ploceus velatus) building nest at Lower Sabie, Kruger NP, South Africa.
    45372-D.jpg
  • Thick-billed weaver (Amblyospiza albifrons) building nest. Photo from Lower Sabie, Kruger NP, South Africa.
    45364-D.jpg
  • Juvenile sand martins (Riparia riparia) watching the mother approaching their nest cave. Photo from south-western Norway in August.
    44742-D.jpg
  • Village weaver (Ploceus cuccullatus) building nest.  Zimanga, South Africa.
    43999-D.jpg
  • Mother and subadult Kittiwakes (Rissa tridactyla) on their nest in the bird cliff at Bulbjerg, northern Jylland, Denmark.
    43910-D.jpg
  • Breeding black-browed Albatross (Thalassarche melanophrys), Saunders Island, the Falklands.
    43292-D.jpg
  • Imperial shag (Phalacrocorax atriceps) nesting at Saunders Island, the Falkland Islands
    43287-D.jpg
  • Northern Gannets (Morus bassanus) nesting in a large bird cliff at the island of Runde, north-western Norway.
    41540-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
  • Southern red bishop (Euplectes orix, breeding male) at its nest at Lower Sabie, Kruger NP, South Africa in November.
    45385-D.jpg
  • Red-billed buffalo weaver (Bubalornis niger) building nest at Sunset Dam, Lower Sabie, Kruger NP, South Africa.
    45358-D.jpg
  • Black-headed Weaver (Ploceus cucullatus, male) building nest at Lake Naivasha, Kenya.
    44965-D.jpg
  • Juvenile sand martins (Riparia riparia) being fed in their burrows by their adult mother. Photo from south-western Norway in August.
    44743-D.jpg
  • Great Black-backed Gull (Larus marinus) nesting. Photo from Hidra, south-western Norway in early May.
    44633-D.jpg
  • Black-legged kittiwakes (Rissa tridactyla) nesting in the window shelf of an old boathouse in Vadsö, Varanger, eastern Finnmark, Norway in March.
    44497-D.jpg
  • Southern red bishop (Euplectes orix, breeding male) at its nest at Lower Sabie, Kruger NP, South Africa in November.
    45384-D.jpg
  • Juvenile sand martins (Riparia riparia) in their nest burrows. Photo from south-western Norway in August.
    44747-D.jpg
  • Village weaver (Ploceus cuccullatus) building nest.  Zimanga, South Africa.
    43998-D.jpg
  • Pair of imperial shags (Phalacrocorax atriceps) nesting at Saunders Island, the Falkland Islands
    43288-D.jpg
  • An Antarctic Shag (Phalacrocorax bransfieldensis) collecting sea weed for nest material. Photo from Port Lockroy, the Antarctic Peninsula.
    43195-D.jpg
  • Yellow-rumped cacique (Cacicus cela) displaying at their nests. Cristalino River, the Amazon.
    43093-D.jpg
  • Southern red bishop (Euplectes orix) at its nest at Lower Sabie, Kruger NP, South Africa in November.
    45387-D.jpg
  • Black-headed Weaver (Ploceus cucullatus, female) from Lake Naivasha, Kenya.
    44966-D.jpg
  • Juvenile sand martins (Riparia riparia) in their nest burrows. Photo from south-western Norway in August.
    44746-D.jpg
  • Great Black-backed Gull (Larus marinus) nesting. Photo from Hidra, south-western Norway in early May.
    44634-D.jpg
  • Antarctic cormorants ((Phalacrocorax bransfieldensis) nesting at Hydrurga Rocks, Antarctica.
    44161-D.jpg
  • Southern rockhopper (Eudyptes chrysocome) nests at Saunders Island, the Falkland Islands.
    43302-D.jpg
  • Imperial shag (Phalacrocorax atriceps) nesting at Saunders Island, the Falkland Islands
    43285-D.jpg
  • An Antarctic Shag (Phalacrocorax bransfieldensis) collecting sea weed for nest material. Photo from Port Lockroy, the Antarctic Peninsula.
    43196-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
  • Jabiru stork (Jabiru mycteria) with three chicks in the nest. Araras Ecolodge, Pantanal, Brazil.
    43010-D.jpg
  • Blue-fronted parrot (Amazona aestiva) nesting. Pantanal, Brazil.
    43020-D.jpg
  • Thick-billed weaver (Amblyospiza albifrons) building nest. Photo from Lower Sabie, Kruger NP, South Africa.
    45367-D.jpg
  • Red-footed Booby (Sula sula) nesting at Genovesa, Galapagos.
    44821-D.jpg
  • Pair of Flightless Comorants (Phalacrocorax harrisi) nesting at Elizabeth Bay, Isabela, Galapagos. Note the nest built of dead sea urchins.
    42243-D.jpg
  • Northern Gannets (Morus bassanus) nesting in a large bird cliff at the island of Runde, north-western Norway.
    41542-D.jpg
  • Southern red bishop (Euplectes orix, breeding male) at its nest at Lower Sabie, Kruger NP, South Africa in November.
    45417-D.jpg
  • Thick-billed weaver (Amblyospiza albifrons) building nest. Photo from Lower Sabie, Kruger NP, South Africa.
    45363-D.jpg
  • Red-footed Booby (Sula sula) nesting at Genovesa, Galapagos.
    44839-D.jpg
  • Red-footed Booby (Sula sula) nesting at Genovesa, Galapagos.
    44833-D.jpg
  • Hungry sand martin chicks (Riparia riparia) screaming for their mother to return with food. Photo from south-western Norway in August.
    44745-D.jpg
  • Sand martins (Riparia riparia) at their nest burrow. Photo from south-western Norway in August.
    44744-D.jpg
  • Gentoo penguin (Pycoscelis papua) nests at Elephant Point, South Shetland Island, Antarctica
    43122-D.jpg
  • Thick-billed weaver (Amblyospiza albifrons) building nest. Photo from Lower Sabie, Kruger NP, South Africa.
    45418-D.jpg
  • Southern red bishop (Euplectes orix, breeding male) at its nest at Lower Sabie, Kruger NP, South Africa in November.
    45416-D.jpg
  • Breeding pair of southern red bishop (Euplectes orix) at Lower Sabie, Kruger NP, South Africa in November.
    45414-D.jpg
  • Village weaver (Ploceus cuccullatus) building nest.  Zimanga, South Africa.
    45191-D.jpg
  • Nazca Boobies (Sula granti) nesting at Genovesa, Galapagos.
    44817-D.jpg
  • Gentoo penguin (Pycoscelis papua)  at Penguin Island, South Shetland Islands, Antarctica
    44166-D.jpg
  • Pair of Antarctic cormorants ((Phalacrocorax bransfieldensis) at their nesting site at Hydrurga Rocks, Antarctica.
    44162-D.jpg
  • Zimanga Private Reserve, South Africa. Nikon D500, 600mm, (900mm in full frame), f4, 1/2000sec, ISO200, Aperture priority
    Village Weaver (44058-D).jpg
  • Nest of the malagasy paradise flycatcher (Terpsiphone mutata) from Berenty, southern Madagascar
    43468-D.jpg
  • Brown Skua (Stercorarius antarcticus) nesting at Sea Lion Island, the Falklands.
    43396-D.jpg
  • Saunders Island, West Falkland Island. Nikon D850, 200-400mm @ 400mm, f4, 1/4000 sec, ISO320, Aperture priority
    Black-browed Albatross nesting (4322...jpg
  • Pair of gentoo penguin (Pycoscelis papua) nests at Elephant Point, Livingston Island, South Shetland Islands, Antarctica
    43123-D.jpg
  • Hyacinth macaws (Anodorhynchus hyacinthinus) fighting over nesting site. Pantanal, Brazil.
    43012-D.jpg
  • A pair of jabiru storks (Jabiru mycteria) nesting in Porto Jofre, Mato Grosso, Brazil.
    43001-D.jpg
  • Thick-billed weaver (Amblyospiza albifrons) building nest. Photo from Lower Sabie, Kruger NP, South Africa.
    45419-D.jpg
  • Southern red bishop (Euplectes orix, breeding male) at its nest at Lower Sabie, Kruger NP, South Africa in November.
    45415-D.jpg
  • Southern red bishop (Euplectes orix, breeding male) at its nest at Lower Sabie, Kruger NP, South Africa in November.
    45386-D.jpg
  • Southern masked weaver (Ploceus velatus, male) at Lower Sabie, Kruger NP, South Africa.
    45373-D.jpg
  • White morth of Red-footed Booby (Sula sula) nesting at Genovesa, Galapagos.
    44819-D.jpg
  • Village weaver (Ploceus cuccullatus) building nest in Kruger NP, South Africa.
    44147-D.jpg
  • Juvenile Barn Swallows (Hirundo rustica) yelling for food.
    4905-D.jpg
  • An Antarctic Shag (Phalacrocorax bransfieldensis) collecting sea weed for nest material. Photo from Port Lockroy, the Antarctic Peninsula.
    43197-D.jpg
  • Thick-billed weaver (Amblyospiza albifrons) building nest. Photo  from Lower Sabie, Kruger NP, South Africa.
    45366-D.jpg
  • Imperial shag (Phalacrocorax atriceps) nesting at Saunders Island, the Falkland Islands
    43286-D.jpg
  • An Antarctic Shag (Phalacrocorax bransfieldensis) collecting sea weed for nest material. Photo from Port Lockroy, the Antarctic Peninsula.
    43193-D.jpg
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Alf J. Nilsen Natural History images

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