Male sunbird(Kenya)
Male sunbird
Orphaned elephant drinking milk at the David Sheldrick Wildlife Trust
Helmeted Guineafowl (Numida meleagris) -- tz_2414
Orphaned elephant at the David Sheldrick Wildlife Trust
Close-up of infant Chacma Baboon (Papio ursinus) in Chobe National Park 
Pied Kingfisher (Ceryle rudis) searching for prey in Chobe National Park 
Lioness -- tz_2347
A lizard in the village of Mencia,Dominican Republic. 
African elephant (Loxodonta africana) feeding in Zambezi River
Female lion eating a wildebeest -- tz_2246
Zebra among scrub trees -- tz_1940
Wild turkeys (Meleagris gallopavo) at Bosque del Apache National Wildlife Refuge 
A frigate bird soars over Los Haitises National Park in the Dominican Republic.
A frigate bird soars over Los Haitises National Park in the Dominican Republic.
A pelican in Los Haitises National Park in the Dominican Republic. 
Cattle egrets nesting in mangrove trees in Estero Hondo Marine Sanctuary in the Dominican Republic.
Lioness with zebra kill -- tz_1623
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
Cheetah (Acinonyx jubatus) - headshot
Brown bear cubs
Olive Baboon (Papio anubis) feeding on a banana -- tz_1696
South African giraffe (Giraffa camelopardalis giraffa) in Chobe National Park 
Mabuya skink
African lion -- tz_1595
Mara zebra
Two young brown bears in Glacier Bay
Bald eagle atop a tree in Glacier Bay National Park
Ravens atop a tree in Alaska
Male ostrich with chicks -- tz_1860
Go-away bird
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
Brown bear cubs
Coho salmon headed upriver to spawn
Brown bear cubs
Greater Kudu (Tragelaphus strepsiceros) hiding 
Sea anemone
Herd of elephants in a riverbed -- tz_1685
Eagle nest
A foal, as a baby zebra is called
Blue wildebeest or gnu (Connochaetes taurinus) 
A local woman carries fish on her head at the Oviedo Lagoon in the Dominican Republic.
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
Herd of hippos (Hippopotamus amphibius) wallowing in Chobe National Park 
Leaping fish
Young hippo
Tawny eagle (Aquila rapax)
Running bear cubs
Researchers carry a Hispaniolan solenodon (Solenodon paradoxus) in a cloth sack. This keeps the animal safe and calm before the radial collar fitting needed for their research.
White-headed vultures
Pigeon Guillemot (Cepphus columba) landing on water
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
A spider near Pedernales,Dominican Republic.
Large group of banded mongoose (Mungos mungo) -- tz_1501
Lions showing camouflage abilities -- tz_elf_0494
Lion's eye
Mother elephant with calf
Abdim's Stork (Ciconia abdimii) -- tz_1482
Baboon with a baby on its back
Snare injury on the leg of the captive Bornean rhinoceros (Dicerorhinus sumatrensis harrissoni), Tam. The rhino represents the eventual hopes for breeding this Critically Endangered subspecies in captivity. 
Lion approaching a wildebeest herd
A Vervain Hummingbird (Mellisuga minima),the second smallest hummingbird in the world,in the Ebano Verde Scientific Reserve in the Dominican Republic.
A manatee in the Estero Hondo Marine Sanctuary in the Dominican Republic.
Lion in the morning sun
Female lion with wildebeest kill -- tz_2251
Vervet monkey
Male ostrich defending chicks -- tz_1879
Pair of vervet monkeys standing on rear legs -- tz_2438
Sea otters at play
Common Elands (Taurotragus oryx)
Male ostrich -- tz_1763
Mother topi with calf
Female lion eating a wildebeest -- tz_2240
Black bear cub eating Coho Salmon
Red-necked Francolin (Francolinus afer)
A researcher handles a Hispaniolan solenodon (Solenodon paradoxus) by its thick tail. Handling the creature by the is seems to be the safest and gentlest method for both the solenodon and the researchers.
Warbler feeding on the nectar of the African sausage tree (Kigelia pinnata)
Plains zebra (Equus quagga burchellii) -- tz_1383
Bush buck on Mt. Kenya
Banded mongoose (Mungos mungo)
Palmchat (Dulus dominicus) on a palm in the village of Mencia,Dominican Republic. 
Elephant -- tz_1901
A snail near Pedernales,Dominican Republic.
Cheetah (Acinonyx jubatus)
Eels for sale at the bi-weekly Haitian market in Pedernales,Dominican Republic.
Brown bear cubs
White-backed Vultures, Gyps africanus, feeding on a zebra carcass
Mother elephant leading a calf across a streambed
Female lion with wildebeest kill -- tz_2269
Red-billed Hornbill (Tockus erythrorhynchus) -- tz_1393
Snow geese (Chen caerulescens) at Bosque del Apache National Wildlife Refuge, New Mexico
Southern Ground Hornbill swallowing an insect
A gecko in Pedernales,Dominican Republic.
Small lizards
Ruppell's Long-tailed Starling (Lamprotornis purpuropterus)
Female lion with wildebeest kill -- tz_2292
Baboons -- tz_1811
Olive Baboon (Papio anubis) -- tz_1701
Pigeon Guillemot (Cepphus columba) landing on water
Male ostrich defending chicks -- tz_1871
Undeveloped green turtle fetus found dead in nest
Cape buffalo
Eristaline hover-fly (Eristalinus quinquelineatus), not a Buffalo tse-tse fly
Hippo on a beach
Cheetah (Acinonyx jubatus)
Sunbird on an orchid
Female lion with wildebeest kill -- tz_2283
A Hispaniolan solenodon (Solenodon paradoxus) with a radial collar near Pedernales,Dominican Republic.
Baboons atop a rock outcropping -- tz_2070
Gulls
Maasai giraffe feeding -- tz_1891
Pair of Ruppell's Vulture (Gyps rueppelli)
Large group of banded mongoose (Mungos mungo) -- tz_1498
Heron at the Oviedo Lagoon in the Dominican Republic.
Egyptian Goose (Alopochen aegyptiacus)
A Hispaniolan solenodon (Solenodon paradoxus) with a radial collar is released back into the forest near Pedernales,Dominican Republic.
Brown bear cubs
Black Kite (Milvus migrans) taking flight
Butterfly (unidentified species) in Tabin Wildlife Reserve, Sabah, Malaysia
Red-necked Spurfowl (Francolinus afer)
Female lion standing over its kill as a jackal watches -- tz_2322
Pair of Yellow-throated Sandgrouse (Pterocles gutturalis)
African elephants -- tz_1471
Superb Starling, Lamprotornis superbus -- tz_1446
Bald eagles in the temperate rainforest of Alaska
Verreaux's Eagle Owl (Bubo lacteus)
A Vervain Hummingbird (Mellisuga minima),the second smallest hummingbird in the world,in the Ebano Verde Scientific Reserve in the Dominican Republic.
Green sea turtle killed by a jaguar
Greater Kudu (Tragelaphus strepsiceros) -- tz_1971
Greater blue-eared starling (Lamprotornis chalybaeus) with a Ring-Necked Dove (Streptopelia capicola)
Local rangers cut leaves for Tam, a captive Bornean rhinoceros (Dicerorhinus sumatrensis harrissoni), who represents the hopes for eventual ex-situ breeding for the Critically Endangered subspecies of the Sumatran rhino (also Critically Endangered) 
Hippo standing on a beach
Elephants huddled in the shade of an Acacia -- tz_elf_0517
A bird in the Ebano Verde Scientific Reserve in the Dominican Republic.
Spotted Hyena (Crocuta crocuta) on a dirt road -- tz_2388
Spotted Hyena (Crocuta crocuta) on a dirt road -- tz_2389
Black and white colobus monkey feeding in a tree
Hippos in the Maasai Mara
Black and white colobus monkey in a tree
A manatee in the Estero Hondo Marine Sanctuary in the Dominican Republic.
Sykes's Monkey feeding
Helmeted guineafowl looking for grubs
Topi (Damaliscus lunatus)
Brown bear cubs
Orphaned elephant at the David Sheldrick Wildlife Trust
Warbler
Plains zebras (Equus quagga)
Elephant -- tz_1777
Sunbird on an orchid
Splendid starling (Lamprotornis splendidus)
Warthogs
Flukes of a humpback whale tail
Cape buffalo with a Red-billed Oxpecker -- tz_1583
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
Gold dust day gecko, a lizard introduced to Maui from Madagascar
Cheetah -- tz_2543
Elephant at sunset
Lion chasing a jackal away from a wildebeest kill
Unknown birds
This Bornean rhino (Dicerorhinus sumatrensis harrissoni), Tam, is a captive individual representing hopes for ex-situ breeding of the Critically Endangered subspecies of the Sumatran rhino (also Critically Endangered). 
Lioness with zebra kill -- tz_1626
Sykes's Monkey, Cercopithecus albogularis, in bamboo
Hippos, zebra, sacred ibis, and wildebeest -- tz_2483
Brown bear cubs
Augur buzzard -- tz_1964
African elephant (Loxodonta africana) against sunset
Researchers release a Hispaniolan solenodon (Solenodon paradoxus) from a cloth sack. This keeps the animal safe and calm before the radial collar fitting needed for their research.
Blue Masked Lovebirds (Agapornis personata personata) in the wild -- tz_1819
African Grey Hornbill (Tockus nasutus) -- tz_2136
Female lion with wildebeest kill -- tz_2279
Brown bear cubs
Yellow-necked Spurfowl, Francolinus leucoscepus
Weaning warthogs piglets
Perching cattle egrets 
Dead katydid (unidentified species) in Sabah, Malaysia
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
Lilac-breasted roller
Gold dust day gecko, a lizard introduced to Hawaii from Madagascar
Sandhill crane (Grus canadensis) flying over Bosque del Apache National Wildlife Refuge, New Mexico
Black and white colobus monkey in a tree
Female lion with wildebeest kill -- tz_2272
Barnacles on a humpback whale in Alaska
Cheetah -- tz_2548
White-backed Vulture, Gyps africanus, in safari grass
Bateleur eagle (Terathopius ecaudatus) in flight -- tz_1902
Monitor lizard (unidentified) on the banks of the Kinabantagan River in Sabah Malaysia
Frog on a lily pad
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
The Pinguicula casabitoana,complete with tiny prey,is the only carnivorous plant native to the Dominican Republic and is specifically endemic to this one particular ridge of the Ebano Verde Scientific Reserve.
Gray heron, cattle egret, sacred ibis, yellow billed stork -- tz_2487
Gulls in flight
Thompson's gazelles at play
African Green Pigeon, Treron calva
Harbor seals
Female lion eating a wildebeest -- tz_2242
Coho salmon headed upriver to spawn
Fruit in the Ebano Verde Scientific Reserve in the Dominican Republic.
Large black bird
Elephants at sun down
Pair of Egyptian Geese (Alopochen aegyptiacus)
Hippo soup
Vervet Monkeys doing monkey business
Macaque (unidentified) on the banks of the Kinabantagan River in Sabah, Malaysia
Lioness with zebra kill -- tz_1631
Brown bear cubs
Female lion with wildebeest kill -- tz_2267
White-backed Vulture (Gyps africanus) -- tz_1957
Brown bear
Dead unidentified katydid in Sabah, Malaysia
Terns and pelicans perch in Los Haitises National Park in the Dominican Republic.
Baboons atop a rock outcropping -- tz_2077
Sunbird
African Klipspringer (Oreotragus oreotragus)
Nile crocodile entering the Mara river![Thomson's Gazelle (Eudorcas thomsonii) [female] -- tz_2356](http://mongabay-images.s3.amazonaws.com/780/tanzania/tz_2356.jpg)
Thomson's Gazelle (Eudorcas thomsonii) [female] -- tz_2356
Ewe big horn sheep (Ovis canadensis) in Grand Canyon National Park, Arizona
Black bear cub eating Coho Salmon
Pair of vervet monkeys -- tz_2445
Black vultures on the beach
Large group of banded mongoose (Mungos mungo) -- tz_1497
Female ostrich, the world's largest and heaviest bird
A manatee in the Estero Hondo Marine Sanctuary in the Dominican Republic.
Brown bear cubs
Unidentified insect in Sabah, Malaysia
Pigeon Guillemot (Cepphus columba) landing on water
Lilac-breasted Roller, Coracias caudata -- tz_1357
Barnacles on a humpback whale in Alaska
Impressive karst formations in Los Haitises National Park in the Dominican Republic.
Black Rhino at a Nairobi rehabilitation center
Brown-headed parrot baby (Poicephalus cryptoxanthus)
Marbled Murrelet (Brachyramphus marmoratus) in Glacier Bay
The hairy and muddy ear of the Bornean rhinoceros (Dicerorhinus sumatrensis harrissoni), the hairiest of the world's rhinos. This rhino, Tam, is a captive individual representing hopes for ex-situ breeding of the Critically Endangered subspecies of the Sumatran rhino (also Critically Endangered). 
Ruppell's Long-tailed Starling (Lamprotornis purpuropterus)
Male sunbird
Buffalo at sunset
Male vervet monkey standing on hind legs
White-backed Vultures, Gyps africanus
A cockroach near Pedernales,Dominican Republic.
Thompson's gazelles running
Cheetah -- tz_2547
Vervet Monkeys (Cercopithecus aethiops) getting frisky
Male ostrich defending chicks -- tz_1874
Black and white colobus monkey in a tree
Drinking elephant
Father warthog chasing a baby warthog
Cheetah (Acinonyx jubatus) - headshot
Headless and bloated anaconda corpse
Humpback whale tail
Eastern Chanting-goshawk (Melierax poliopterus) -- tz_2106
Red-cheeked Cordon-bleu, Uraeginthus bengalus
Small lizard
The hairy ear of the Bornean rhinoceros (Dicerorhinus sumatrensis harrissoni), the hairiest of the world's rhinos. This rhino, Tam, is a captive individual representing hopes for ex-situ breeding of the Critically Endangered subspecies of the Sumatran rhino (also Critically Endangered). 
African lion -- tz_1610
Marbled Murrelet (Brachyramphus marmoratus) in Glacier Bay
Sandhill cranes (Grus canadensis) taking off at sunset in Bosque del Apache National Wildlife Refuge, New Mexico
Standing bears
Lion approaching a wildebeest herd
Greater blue-eared starling (Lamprotornis chalybaeus)
Female lion with wildebeest kill -- tz_2318
Juvenile common puff adder (Bitis arietans)
Cattle in northern New Mexico 
Close-up of the Bornean rhinoceros (Dicerorhinus sumatrensis harrissoni). This rhino, Tam, is a captive individual representing hopes for ex-situ breeding of the Critically Endangered subspecies of the Sumatran rhino (also Critically Endangered). 
Abdim's Storks (Ciconia abdimii) atop a tree -- tz_1420
Sandhill cranes (Grus canadensis) feeding in Bosque del Apache National Wildlife Refuge, New Mexico
Plains zebra (Equus quagga) -- tz_2021
Sea otter in Alaska
Mother warthog with piglets
A bird in the Ebano Verde Scientific Reserve in the Dominican Republic.
Two beavers in Gooseberry State Park, Minnesota 
Macaques (unidentified) on the banks of the Kinabantagan River in Sabah, Malaysia
A broad-billed Tody (Todus subulatus) near Pedernales,Dominican Republic.
Maasai Mara sunset width buffalo
African elephants -- tz_1431
Maasai Mara sunset
Abdim's Stork (Ciconia abdimii) -- tz_1479
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
Approaching elephant -- tz_1322
Female waterbucks (Kobus ellipsiprymnus)
South African giraffe (Giraffa camelopardalis giraffa) 
Bird taking flight
Zebra among scrub trees -- tz_1943
Sea otter
Family of elephants
Masai Giraffe (Giraffa camelopardalis tippelskirchi) -- tz_1751
Cheetah on an ant hill
Red-rumped swallow (Hirundo daurica) -- tz_xt_3558
Approaching African elephant
African fish eagle
Charging sea otter
Chickens are brought on the back of a motor bike to a family dinner by the river near Mencia in the Pedernales Province of the Dominican Republic.
Female agama lizard
Lion cubs -- tz_1739
Lioness -- tz_2349
Lion cubs -- tz_1660
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
White-backed Vulture (Gyps africanus) -- tz_2132a
Harbor seals (Phoca vitulina) on sea ice in front of Johns Hopkins Glacier
Orphaned elephant at the David Sheldrick Wildlife Trust
Group of helmeted guineafowl
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic. 
Royal Terns (Thalasseus maximus) Los Haitises National Park in the Dominican Republic.