Hermann Brehm / Portrait of a Little Grebe (Tachybaptus ruficollis) on water. Bavaria, Germany, July.

Hermann Brehm / Jay (Garrulus glandarius) on a snowy branch. Bavaria, Germany, February.

Hermann Brehm / Sparrowhawk (Accipiter nisus) in flight. Bavaria, Germany, October.

Hermann Brehm / Great Crested Grebes (Podiceps cristatus)mating. Bavaria, Germany, March.

Hermann Brehm / Portrait of a Sparrowhawk (Accipiter nisus) male. Bavaria, Germany, November.

Hermann Brehm / Sparrowhawk (Accipiter nisus) in hovering flight before landing on a stump. Bavaria, Germany, October.

Hermann Brehm / Jay (Garrulus glandarius) on a branch. Bavaria, Germany, December.

Hermann Brehm / Two Great Crested Grebe (Podiceps cristatus)swimming together after mating. Bavaria, Germany, March.

Hermann Brehm / Male Andean Cock-of-the-Rock (Rupicola peruvianus) displaying. Cock-of-the-Rock Lodge, Peru, August.

Hermann Brehm / Male Andean Cock-of-the-Rock (Rupicola peruvianus) displaying. Cock-of-the-Rock Lodge, Peru, August.

Hermann Brehm / Magpie (Pica pica) alighting on a stump. Bavaria, Germany, October.

Hermann Brehm / Male Tiger (Panthera tigris) walking through deciduous forest. The lake area of Ranthambore National Park, India, April.

Hermann Brehm / Male Tiger (Panthera tigris) resting in water. The lake area of Ranthambore National Park, India, April.

Hermann Brehm / Magpie (Pica pica) landing on a stump. Bavaria, Germany, October.

Hermann Brehm / Blue Tit (Parus caeruleus) perching in snow-covered branches after heavy snowfall. Bavaria, Germany, January.

Hermann Brehm / Sparrowhawk (Accipiter nisus) male perching on a log. Bavaria, Germany, November.

Hermann Brehm / Peregrin Falcon (Falco peregrinus) with its prey of a Rock Pigeon in the background. Bavaria, Germany, May.

Hermann Brehm / Female Andean Cock-of-the-Rock perching.

Hermann Brehm / Male Bengal Tiger (Panthera tigris) resting in water. The lake area of Ranthambore National Park, India, April.

Hermann Brehm / Magpie (Pica pica) landing on a stump. Bavaria, Germany, October. Not available for ringtone/wallpaper use.

Hermann Brehm / Magpie (Pica pica) perched on a stump. Bavaria, Germany, October.

Hermann Brehm / Two Long-legged Buzzard (Buteo rufinus) chicks at the nest, one exercising its wings. Bulgaria, Europe, June.

Hermann Brehm / A pair of Great Tits (Parus major) perching on a twig. Bavaria, Germany, January.

Hermann Brehm / Jay (Garrulus glandarius) about to take off in flight. Bavaria, Germany, November.

Hermann Brehm / Two Great crested grebe (Podiceps cristatus) courtship display with pondweed in their beaks. Coot in background. Bavaria, Germany, March.

Hermann Brehm / A pair of Ruddy Darter Dragonflies (Sympetrum sanguineum) forming a mating wheel. The male is red. Bavaria, Germany, August.

Hermann Brehm / Magpie (Pica pica)flying in to land on a stump. Bavaria, Germany, October.

Hermann Brehm / Two Great Crested Grebe (Podiceps cristatus) facing each other during courtship display, Bavaria, Germany, March.

Hermann Brehm / Siberian Tiger (Panthera tigris altaica) standing on snow between trees. Captive at Orsa Zoo, Sweden, March.

Hermann Brehm / Peregrine Falcon (Falco peregrinus) feeding on a Rock Pigeon. Bavaria, Germany, May.

Hermann Brehm / Long-legged Buzzard (Buteo rufinus) adult at the nest with two chicks. Bulgaria, Europe, June.

Hermann Brehm / Siberian Tiger (Panthera tigris altaica) resting on snow between trees. Captive at Orsa Zoo, Sweden, March.

Hermann Brehm / Long-legged Buzzard (Buteo rufinus) chick exercising its wings at the nest. Bulgaria, Europe, June.

Hermann Brehm / Two Great Crested Grebe (Podiceps cristatus)courtship displaying with pondweed in their beaks. Bavaria, Germany, March.

Hermann Brehm / Black Grouse (Tetrao tetrix) males displaying at a lek. Hamra, Sweden, Europe, April.

Hermann Brehm / Peregrine Falcon (Falco peregrinus) on a branch. Bavaria, Germany, May.

Hermann Brehm / Great Spotted Woodpecker (Dendrocops major) about to land on a tree trunk, carrying a hazelnut in its beak. Bavaria, Germany, November.

Hermann Brehm / Two male Black Grouse (Tetrao tetrix) fighting in snow at a lek. Hamra, Sweden, Europe, March.

Hermann Brehm / Siberian Tiger (Panthera tigris altaica) resting on snow between trees. Captive at Orsa Zoo, Sweden, March.

Hermann Brehm / Long-legged Buzzard (Buteo rufinus) adult at the nest with two chicks. Bulgaria, Europe, June.

Hermann Brehm / Long-legged Buzzard (Buteo rufinus) adult at the nest with two chicks. Bulgaria, Europe, June.

Hermann Brehm / Black Grouse (Tetrao tetrix) male calling at a lek. Hamra, Sweden, Europe, April.

Hermann Brehm / Two Siberian Tiger (Panthera tigris altaica) chasing across snow between trees. Captive at Orsa Zoo, Sweden, March.

Hermann Brehm / Peregrine Falcon (Falco peregrinus) perching on a branch. Bavaria, Germany, May.

Hermann Brehm / Black Grouse (Tetrao tetrix) male calling at a lek. Hamra, Sweden, Europe, April.

Hermann Brehm / Peregrine Falcon (Falco peregrinus) feeding on a Rock Pigeon. Bavaria, Germany, May.

Hermann Brehm / Peregrine Falcon (Falco peregrinus) feeding on a Rock Pigeon. Bavaria, Germany, May.

Hermann Brehm / Magpie (Pica pica) just about to land. Bavaria, Germany, October.

Hermann Brehm / Long-legged Buzzard (Buteo rufinus) perching and calling. Bulgaria, Europe, June.

Hermann Brehm / Great Spotted Woodpecker (Dendrocops major) about to land on a tree trunk, carrying a walnut in its beak. Bavaria, Germany, December.

Hermann Brehm / Black Grouse (Tetrao tetrix) male displaying at a lek. Hamra, Sweden, Europe, April.

Hermann Brehm / Two male Black Grouse (Tetrao tetrix) fighting at a lek. Hamra, Sweden, Europe, April.

Hermann Brehm / Tawny Owl (Strix aluco) returning to its nesting hole with rodent prey. Bavaria, Germany, April.

Hermann Brehm / Tawny Owl (Strix aluco) perching with rodent prey. Bavaria, Germany, April.

Hermann Brehm / Tawny Owl (Strix aluco) leaving its nesting hole. Bavaria, Germany, April.

Hermann Brehm / Peregrine Falcon (Falco peregrinus) feeding on a Rock Pigeon. Bavaria, Germany, May.

Hermann Brehm / Tawny Owl (Strix aluco) returning to its nesting hole. Bavaria, Germany, April.

Hermann Brehm / Great Spotted Woodpecker (Dendrocops major) about to land on a tree trunk, carrying a hazelnut in its beak. Bavaria, Germany, November.

Hermann Brehm / Tawny Owl (Strix aluco) perching with rodent prey in its beak. Bavaria, Germany, April.

Hermann Brehm / Black Grouse (Tetrao tetrix) male calling at a lek. Hamra, Sweden, Europe, April.

Charlie Summers / Bat-eared Fox (Otocyon megalotis) foraging / listening to the scratching sounds of an insects underground, Kgalagadi TB Park, South Africa

Charlie Summers / Black-shouldered Kite (Elanus caeruleus) portrait, perched in shrub, Kgalagadi TB Park of South Africa

Charlie Summers / Three Black-backed Jackals (Canis mesomelas), meet and greet, Kgalagadi TB Park, South Africa

Charlie Summers / Bat-eared Fox (Otocyon megalotis) portrait standing, taken in the Kgalagadi TB Park, South Africa, June

Charlie Summers / Brandt's Whistling Rat (Parotomys brantsii) sitting an entrance to burrow, Kgalagadi TB Park of South Africa

Charlie Summers / Black-shouldered Kite (Elanus caeruleus) taking off, Kgalagadi TB Park, South Africa

Charlie Summers / Cape Golden Cobra (Naja nivea) foraging for potential prey in the cracks and crevices of an Acacia tree, Kgalagadi TB Park of South Africa, May

Charlie Summers / Cape Crow (Corvus capensis) cackling, perched on stump, Kgalagadi TB Park of South Africa, May

Charlie Summers / Cheetah (Acinonyx jubatus) juvenile siblings drinking in unison at a Kgalagadi TB Park waterhole, Kwousant, South Africa

Charlie Summers / Cheetah (Acinonyx jubatus) juvenile standing on rocky dune in the Kgalagadi TB Park of South Africa

Charlie Summers / Cheetah family (Acinonyx jubatus) mother in the middle, with two cubs, drinking at waterhole at Kgalagadi TB Park, South Africa

Charlie Summers / Crimson-breasted Gonolek (Laniarius atrococcineus) foraging for insects. Kgalagadi TB Park of South Africa, May

Charlie Summers / Crimson-breasted Gonolek (Laniarius atrococcineus) foraging for insects. Kgalagadi TB Park of South Africa, May

Charlie Summers / Familiar Chat (Cercomela familiaris) perched in branch, Kgalagadi TB Park of South Africa, May

Charlie Summers / Fork-tailed / Common Drongo (Dicrurus adsimilis) perched on branch, Kgalagadi TB Park of South Africa, May

Charlie Summers / Pair of Gabar Goshawks (Melierax gabar) one bathing in rain water puddle, and the other taking off, Kgalagadi TB Park of South Africa, May

Charlie Summers / Gabar Goshawk (Melierax gabar) bathing in rain water puddle. Kgalagadi TB Park of South Africa, May

Charlie Summers / Two Gemsboks (Oryx gazella) fighting, Kgalagadi TB Park of South Africa, May

Charlie Summers / Gemsbok (Oryx gazella) standing in golden stick grass early in the morning, Kgalagadi TB Park of South Africa, May

Charlie Summers / Gemsbok (Oryx gazella) herd in the Auob River bed that due to rains was full of Stick Grass, Kgalagadi TB Park of South Africa, May

Charlie Summers / Gemsbok (Oryx gazella) backlit in the late evening. Kgalagadi TB Park of South Africa, May

Charlie Summers / Gray-headed Sparrow (Passer griseus) perched in an Acacia bush, Kgalagadi TB Park of South Africa

Charlie Summers / Kalahari Four-striped Mouse (Rhabdomys pumilio) outside one of its burrow entrances, Kgalagadi TB Park of South Africa, May

Charlie Summers / Immature Jackal / Augur Buzzard (Buteo rufofuscus)Kgalagadi TB Park of South Africa, May

Charlie Summers / Immature Black-shouldered Kite (Elanus caeruleus) perched on branch, Kgalagadi TB Park of South Africa

Charlie Summers / Marico Flycatcher (Bradornis mariquensis) perched on branch, Kgalagadi TB Park of South Africa, June

Charlie Summers / Two Tawny eagles (Aquila rapax) one in light phase and the other in dark phase, perched on tree branch, Kgalagadi TB Park of South Africa

Charlie Summers / White-browed Sparrow Weaver's nest (Plocepasser mahali) Kgalagadi TB Park of South Africa, June

Hermann Brehm / Burchell's glossy starling (Lamprotornis australis) perched, Africa

Hermann Brehm / Golden-breasted / Royal Starling (Lamprotornis regius) perched on branch, Africa

Hermann Brehm / Burchell's glossy starling (Lamprotornis australis) perched, Africa

Hermann Brehm / Golden-breasted / Royal Starling (Lamprotornis regius) perched on branch, Africa

Hermann Brehm / Ashy starling (Cosomopsarsus unicolor) perched on rock, Africa

Hermann Brehm / Ashy starling (Cosomopsarsus unicolor) calling, perched in Acacia tree, Africa

Hermann Brehm / Ashy starling (Cosomopsarsus unicolor) calling, perched on the ground, Africa

Hermann Brehm / Hildebrandt's starling (Lamprotornis hildebrandti) perched, Africa