Topis, medium-sized antelopes, in front of the rising sun, Maasai Mara, Kenya, East Africa, Africa

Crested serpent eagle (Spilornis cheela davisoni), medium-sized bird of prey, in scenic Wayanad district, Wayanad, Kerala, India, Asia

Topis, medium-sized antelopes, in front of the rising sun, Maasai Mara, Kenya, East Africa, Africa

Bateleur (Terathopius ecaudatus) is a medium-sized eagle in the bird family Accipitridae, resident in Sub-Saharan Africa, in captivity in the United Kingdom, Europe

Bateleur (Terathopius ecaudatus) is a medium-sized eagle in the bird family Accipitridae, resident in Sub-Saharan Africa, in captivity in the United Kingdom, Europe

The Falkland Thrush (Turdus Falcklandii), medium sized thrush from southern South America

The Falkland Thrush (Turdus falcklandii) is a medium sized thrush from southern South America

Aerial view, Viega GmbH & Co. KG, internationally active SME, small and medium-sized enterprises, in plumbing, Attendorn, Sauerland, North Rhine-Westphalia, Germany, Europe

Kayaker launching off of a medium sized drop while being lit by a strobe.

High angle view of a medium sized group of adults and one black dog walking on a trail in the snow in Bend, Oregon.

Front view of a medium sized group of adults walking on a trail in the snow in Bend, Oregon.

Portrait of a white dog with black ears on a dock at sunset, Lake of the Woods, Ontario, Canada

The Gargoyle gecko (Rhacodactylus auriculatus) is a medium sized, endangered, gecko species endemic to New Caledonia.

The Gargoyle gecko (Rhacodactylus auriculatus) is a medium sized, endangered, gecko species endemic to New Caledonia.