Special commendation. “Butterflies and caiman” by Mark Cowan.
Colourful butterflies gather on the head of this caiman to collect salt – an important mineral for their survival. This photo was taken while on a scientific expedition to the Amazon to study reptile and amphibian diversity. Continue reading
This Image Really Puts the Size of Antarctica Into Perspective
Antarctica is Earth’s southernmost continent and is surrounded by the Southern Ocean. At 14.0 million km2 (5.4 million sq mi), it is the fifth-largest continent in area after Asia, Africa, North America, and South America. About 98% of Antarctica is covered by ice that averages at least 1 mile (1.6 km) in thickness, which extends to all but the northernmost reaches of the Antarctic Peninsula. Continue reading