Edwin Giesbers / RF - Eagle owl (Bubo bubo) portrait. Netherlands, August. (This image may be licensed either as rights managed or royalty free.)
01154587
Ingo Arndt / Red squirrel portrait {Sciurus vulgaris} Germany
01265384
Gerrit Vyn / Short-eared Owl (Asio flammeus) on the ground, with erect ear tufts. Jefferson County, New York, USA
01098949
Staffan Widstrand / Tufted ear marmoset hanging upside down {Callithrix jacchus jacchus} Ilha Grande, Brazil.
01738623
Robin Chittenden / Red squirrel (Sciurus vulgaris) resting on tree trunk, Insh, Highlands, Scotland, UK. April.
01738622
Robin Chittenden / Red squirrel (Sciurus vulgaris) resting on tree trunk, Insh, Highlands, Scotland, UK. April.
01738621
Robin Chittenden / Red squirrel (Sciurus vulgaris) portrait, Dorset, England, UK. May.
01738590
Robin Chittenden / RF - Red squirrel (Sciurus vulgaris) resting on branch, Insh, Highlands, Scotland, UK. April. (This image may be licensed either as rights managed or royalty free.)
01731004
Robin Chittenden / Red squirrel (Sciurus vulgaris) climbing on tree trunk, Insh, Scottish Highlands, UK. April.
01728292
Joel Sartore / Photo Ark / Sumatran eagle-owl (Bubo sumatranus strepitans) portrait, Taman Mini Indonesia Indah, Jakarta. Captive.
01728291
Joel Sartore / Photo Ark / Sumatran eagle-owl (Bubo sumatranus strepitans) head portrait, Taman Mini Indonesia Indah, Jakarta. Captive.
01728277
Joel Sartore / Photo Ark / Sri Lankan brown fish-owl (Ketupa zeylonensis zeylonensis) head portrait, Monticello Center. Captive, occurs in Sri Lanka.
01728276
Joel Sartore / Photo Ark / Sri Lankan brown fish-owl (Ketupa zeylonensis zeylonensis) portrait, Monticello Center. Captive, occurs in Sri Lanka.
01728275
Joel Sartore / Photo Ark / Western Siberian eagle owl (Bubo bubo sibiricus) head portrait, Monticello Center. Captive, occurs in Siberia.
01728273
Joel Sartore / Photo Ark / Western Siberian eagle owl (Bubo bubo sibiricus) head portrait, Monticello Center. Captive, occurs in Siberia.
01728271
Joel Sartore / Photo Ark / Buffy fish owl (Ketupa ketupu ketupu) head portrait, River Safari, Singapore. Captive.
01728265
Joel Sartore / Photo Ark / South American great horned owl (Bubo virginianus nacurutu) head portrait, Parque Jaime Duque, Colombia. Captive.
01728264
Joel Sartore / Photo Ark / Malay eagle owl (Bubo sumatranus sumatranus) head portrait, Jurong Bird Park, Singapore. Captive.
01728259
Joel Sartore / Photo Ark / Eurasian eagle owl (Bubo bubo omissus) head portrait, Plzen Zoo. Captive, occurs in Turkmenistan and Iraq.
01728258
Joel Sartore / Photo Ark / Eurasian eagle owl (Bubo bubo omissus) head portrait, Plzen Zoo. Captive, occurs in Turkmenistan and Iraq.
01728257
Joel Sartore / Photo Ark / Rock eagle-owl (Bubo bengalensis) head portrait, Plzen Zoo. Captive, occurs in India.
Joel Sartore / Photo Ark / Striped owl (Asio clamator forbesi) head portrait, Nispero Zoo, Panama. Captive.
01728251
Joel Sartore / Photo Ark / Striped owl (Asio clamator forbesi) head portrait, Nispero Zoo, Panama. Captive.
01720610
Ashley Cooper / Red squirrel (Sciurus vulgaris) scampering down a tree trunk in woodland, Beaumaris, Anglesey, Wales, UK. April.
01720609
Ashley Cooper / Red squirrel (Sciurus vulgaris) climbing up a tree trunk in woodland, Beaumaris, Anglesey, Wales, UK. April.
01718860
Harry Collins / Great Horned Owl (Bubo virginianus) parent with two owlets perched on branch in tree. Adult owl preens talon, the chick beside it starts to preen the adult's ear tufts, the adult preens the chick and...
01719179
Adrian Davies / Long eared owl (Asio otus) perched on wooden post, Hampshire, UK. October. Captive, controlled conditions.
01719178
Adrian Davies / Long eared owl (Asio otus) perched on branch, Hampshire, UK. October. Captive, controlled conditions.
01718522
Philippe Clement / Red squirrel (Sciurus vulgaris) with large ear-tufts looking for nuts in food cache hidden in tree stump in early spring, Belgium. March.
01714372
Joel Sartore / Photo Ark / Two Northern rockhopper penguins (Eudyptes moseleyi) looking around. Calgary Zoo, Canada. Captive. Endangered.
01714371
Joel Sartore / Photo Ark / A close up of a Northern rockhopper penguin's (Eudyptes moseleyi) head looking around. Calgary Zoo, Canada. Captive. Endangered.
Joel Sartore / Photo Ark / Spot-bellied eagle owl (Bubo nipalensis blighi) blinking while looking around, Tierpark, Berlin. Captive.
01689497
Joel Sartore / Photo Ark / Sumatran eagle-owl (Bubo sumatranus strepitans) looking around, Taman Mini, Indonesia. Captive.
01689484
Joel Sartore / Photo Ark / Tundra great horned owl (Bubo virginianus) panting as it looks towards camera, Monticello Center, Italy. Captive.
01689483
Joel Sartore / Photo Ark / Western Siberian eagle owl (Bubo bubo sibiricus) looking down, Monticello Center, Italy. Captive.
01689480
Joel Sartore / Photo Ark / Tundra great horned owl (Bubo virginianus subarticus) looking around, Monticello Center, Italy. Captive.
01689479
Joel Sartore / Photo Ark / Sri Lankan brown fish owl (Ketupa zeylonensis zeylonensis) looking towards camera, Monticello Center, Italy. Captive.
01689463
Joel Sartore / Photo Ark / Malay eagle owl (Bubo sumatranus) looking around, Jurong Bird Park, Wildlife Reserves, Singapore. Captive.
01660763
Staffan Widstrand / RF - European eagle owl (Bubo bubo) portrait. Vastmanland, Sweden. May. Captive. (This image may be licensed either as rights managed or royalty free.)
01660258
Jussi Murtosaari / Red squirrel (Sciurus vulgaris) in snow with winter pelage, portrait. Kuusamo, Northern Ostrobothnia, Finland. February.