A lone tree on the Isle of Lewis, Outer Hebrides, Scotland, United Kingdom, Europe

Spruce cones on a single branch, near Ouray, Colorado, United States of America, North America

Laughing Thrush in cage hanging on a branch in the Monk's Garden at The Big Wild Goose Pagoda, Xian, China

Sun Conure perched on a branch in North Queensland, Australia

Forest Kingfisher perched on a branch in North Queensland, Australia

Forest Kingfisher perched on a branch in North Queensland, Australia

Red squirrel, Sciurus vulgaris, feeding on branch, Perthshire, Scotland, UK

Juvenile great frigate bird (Fregata minor) nesting and breeding site on North Seymour Island in the Galapagos Island Group, Ecuador. Pacific Ocean.

Friatebird. Galapagos.

Green Lizard. UK

Palmate Newt (Triturus helvetica) head portrait while crawling over branch Argyll Scotland, UK

Lava heron. Galapagos.

Palmate Newt (Triturus helvetica) head portrait while crawling over branch Argyll Scotland, UK

Hermit crab on branch. Galapagos. (rr)

Rainbow Lorikeet (Trichoglossus haematodus) sitting on a twig, Lone Pine Koala Sanctuary, Brisbane, Queensland, Australia

Rain-soaked squirrel eats an acorn, Germany, Brandenburg, Spreewald

Flying fox hanging on a branch, Casela Bird Park, Mauritius, Africa

Bobcat, Red lynx sitting on a branch, Lynx rufus, Animals

Red Panda or Lesser Panda (Ailurus fulgens)

Roseate spoonbill (Ajaia ajaja), adult, on tree, Pantanal, Brazil, South America

Panther chameleon (Furcifer pardalis) in the rain forests of the Masoala National Park in northeastern Madagascar, Africa, Indian Ocean

Leopard anole or Guadeloupean anole (Anolis marmoratus), male, South American species, captive, Bergkamen, North Rhine-Westphalia, Germany, Europe

Little owl (Athene noctua) in flight, Thuringia, Germany, Europe

Pygmy seahorse (Bargibanti hippocampus) on a branch of coral, Great Barrier Reef, a UNESCO World Heritage Site, Queensland, Cairns, Australia, Pacific Ocean

Red-breasted Toucan (Ramphastos dicolorus), adult on a branch, Pantanal, Brazil, South America

Ferruginous Pygmy-owl (Glaucidium brasilianum), adult bird on a branch, Pantanal, Brazil, South America

Common European Adder or Viper (Vipera berus), Berchtesgaden National Park, Bavaria, Germany, Europe

Great Egret (Egretta alba), adult, on perched on tree, breeding plumage, Florida, USA

Snowy egret (Egretta thula), adult, on tree, breeding plumage, Florida, USA

Toco Toucan (Ramphastos toco), adult, on tree, Pantanal, Brazil, South America

Toco Toucan (Ramphastos toco), adult, on tree, Pantanal, Brazil, South America

Panther Chameleon (Furcifer pardalis) on the island of Nosy Faly in northwestern Madagascar, Africa

Toco Toucan (Ramphastos toco), adult, on tree, Pantanal, Brazil, South America

Koala (Phascolarctos cinereus), portrait, adult in tree feeding on Eucalyptus, Australia

Toco Toucan (Ramphastos toco), adult, on tree, Pantanal, Brazil, South America

Plumbeous ibis (Theristicus caerulescens), adult, perched on a tree, Pantanal wetland, Brazil, South America

Golden-fronted Woodpecker (Melanerpes aurifrons), male on icy branch, Dinero, Lake Corpus Christi, South Texas, USA

Koala (Phascolarctos cinereus), adult in tree feeding on Eucalyptus, Australia

Grey Heron (Ardea cinerea), North Rhine-Westphalia, Germany, Europe

Toco Toucan (Ramphastos toco), adult, on tree, Pantanal, Brazil, South America

Koala (Phascolarctos cinereus), portrait, adult in tree feeding on Eucalyptus, Australia

Keel-billed Toucan, Sulfur-breasted Toucan, Rainbow-billed Toucan (Ramphastos sulfuratus)

Red-breasted Toucan (Ramphastos dicolorus), adult on a branch, Pantanal, Brazil, South America

Little Owl (Athene noctua)

Hyacinth Macaw (Anodorhynchus hyacinthinus), adult bird in a tree, Pantanal, Brazil, South America

Red-breasted Toucan (Ramphastos dicolorus), adult on a branch, Pantanal, Brazil, South America

Scarlet Macaw (Ara macao), adult, perched, Roatan, Honduras, Caribbean, Central America, Latin America

Green Macaw (Ara chloroptera), adult, perched on the branch of a tree, eating, in captivity, Florida, USA

Slender-billed Vulture (Gyps tenuirostris) in Kaziranga National Park in Assam, Northeast India, Asia

Panther Chameleon (Furcifer pardalis), Madagascar, Africa

Panther Chameleon (Furcifer pardalis) in the cocoa plantations of Ambanja in northwestern Madagascar, Africa

Grey Heron (Ardea cinerea) at sunset, North Rhine-Westphalia, Germany, Europe, digital composing

Spotted Eagle-Owl (Bubo africanus), perched on branch, South Africa, Africa

Ocelot (Leopardus pardalis), adult, male, tree, Honduras, South America

Red-breasted Toucan (Ramphastos dicolorus), adult on a branch, Pantanal, Brazil, South America

Keel-billed Toucan, Sulfur-breasted Toucan, Rainbow-billed Toucan (Ramphastos sulfuratus)

Madagascan Frog (Boophis luteus), in the cloud forest of Eastern Madagascar, Madagascar, Africa

Scarlet Macaw (Ara macao), adult, perched on a lookout with its wings spread, Roatan, Honduras, Caribbean, Central America, Latin America

Brown-throated sloth (Bradypus variegatus), male resting on a branch, Manuel Antonio National Park, central Pacific Coast, Costa Rica, Central America

Grey Heron (Ardea cinerea) at sunset, North Rhine-Westphalia, Germany, Europe, digital composing

Wryneck (Jynx torquilla) sticking out tongue

Female Crowned Lemur (Eulemur coronatus), Madagascar, Africa

Old European Beech (Fagus sylvatica) in spring, worm's-eye view

Red-billed Hornbill (Tockus erythrorhynchus) perched on a branch, Samburu National Reserve, Kenya, East Africa

White cockatoo or umbrella cockatoo (Cacatua alba), adult bird, Indonesia

North American raccoon (Procyon lotor), young animal

Philippine Tarsier (Tarsius syrichta), Bohol, Philippines, Southeast Asia, Asia

Horse Lubber Grasshopper (Taeniopoda eques), adult in defense pose on Ocotillo Cactus (Fouquieria splendens), Chisos Mountains, Big Bend National Park, Chihuahuan Desert, West Texas, USA

European Goldfinch (Carduelis carduelis), Schlitters, Zillertal Valley, Tyrol, Austria, Europe

House Sparrow (Passer domesticus)

Common kingfisher (Alcedo atthis), Young bird sitting on a branch, Biosphere Reserve Middle Elbe, Saxony-Anhalt, Germany, Europe

Hoopoe (Upupa epops) with raised crest, Tuscany, Italy, Europe

Male Short-horned Chameleon (Calumma brevicornis), Madagascar, Africa

Boreal Owl or Tengmalm's Owl (Aegolius funereus), juvenile perched on a branch, Neunkirchen, Siegerland region, North Rhine-Westphalia, Germany, Europe

Southern Carmine Bee-eater (Merops nubicoides) perched on a branch, Chobe National Park, Botswana, Africa

Plumbeous Ibis (Theristicus caerulescens), adult perched on a tree, Pantanal, Brazil, South America

Oriental Bay Owl (Phodilus badius), Asian species, captive, North Rhine-Westphalia, Germany, Europe

Bullfinch (Pyrrhula Pyrrhula), female on a branch, Hamra Nationalpark, Sweden, Scandinavia, Europe

Female Short-horned Chameleon (Calumma brevicornis), Madagascar, Africa

Red Panda, Lesser Panda (Ailurus fulgens) in winter

Green-crowned Brilliant (Heliodoxa jacula) sits on a branch, Nanegal Mountain Rainforest, Ecuador, South America

Male Short-horned Chameleon (Calumma brevicornis), Madagascar, Africa

Barbary macaque (Macaca sylvanus), Gibraltar, Europe

Wryneck (Jynx torquilla) with food in beak

Eurasian kingfisher (Alcedo atthis) flapping wings excitedly, female, Middle Elbe Biosphere Reserve, Saxony-Anhalt, Germany, Europe

Blue-crowned Motmot (Momotus momota), Tobago, Trinidad and Tobago, Caribbean

Bullfinch (Pyrrhula pyrrhula), male on a branch, Hamra National Park, Sweden, Scandinavia, Europe

Kingfisher (Alcedo atthis) in winter landing on a snow-covered branch, Germany, Europe

Tawny Owl (Strix aluco)

Little Bittern (Ixobrychus minutus)

Bullfinch (Pyrrhula pyrrhula), male, Untergroeningen, Baden-Wuerttemberg, Germany, Europe

Snowy Owl, Arctic Owl or Great White Owl (Bubo scandiacus, Nyctea scandiaca), Bad Mergentheim Zoo, Baden-Wuerttemberg, Germany

Laughing Kookaburra (Dacelo novaeguineae), Western Australia, Australia

Northern hawk owl (Surnia ulula), female with prey, Finland, Europe

Ring-tailed Lemur (Lemur catta), adult in a tree, Madagascar, Africa

Blue-and-yellow Macaw (Ara ararauna), adult on a branch, Pantanal, Brazil, South America

Slender Loris (Loris tardigradus), Sri Lanka, Asia

Red Ruffed Lemur (Varecia rubra), adult in a tree, Madagascar, Africa

Woodpecker (Picoides major), Stans, Tyrol, Austria, Europe

Green Iguana (Iguana iguana)