Europe at night, satellite image
Europe at night. Satellite image of city lights at night, centred on Europe. North is at top, with the uninhabited dark of the Arctic at upper left. Bright areas mark dense urban populations, and the European coastline is clearly seen. Dense groups of cities are seen in England, Germany, the Netherlands and Belgium, and northern Italy. Paris and Madrid are also easily identified. Moscow is at centre right. Cairo and the Nile are at lower right, along with Israel. Oil rig lights are seen in the North Sea. Other lights include Iceland (upper left) and western Siberia (upper right). Desert areas, oceans, and inland seas are dark. For this area in the day, see E070/560.
© M-sat Ltd/Science Photo Library
Face of a pipistrelle bat
Face of a pipistrelle bat. Scanning electron micrograph (SEM) of the head of a pipistrelle bat (Pipistrellus pipistrellus). Bats, of the order Chiroptera, are the only mammals in the world naturally capable of flight. About 70 per cent of bats are insectivorous, and many are nocturnal. They are not blind, although many species have small eyes and poor eyesight. Instead they rely on echolocation, emitting high-pitched sounds in regular patterns and using the returning echo to locate and identify objects.
© Steve Gschmeissner/Science Photo Library
RF - Adult Aye-aye (Daubentonia madagascariensis) active in forest canopy at night
RF - Adult Aye-aye (Daubentonia madagascariensis) active in forest canopy at night. Dry deciduous forest near Andranotsimaty. Daraina, northern Madagascar. Critically Endangered species
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