by BioEdge | Mar 10, 2016 | Site Content
Sus scrofa cristatus photo © Bernard Dupont Puzzling failure of wild boar to colonise Mediterranean islands Before the islands of the Mediterranean were reached by humans, they were inhabited by mammals capable of swimming across sea barriers:...
by BioEdge | Mar 10, 2016 | Site Content
Canis lupus photo © Doug Smith Extinction of the wolf as a colour-monomorphic species The original wolf no longer exists worldwide because of hybridisation with the domestic dog, a species derived mainly from a different, colour-polymorphic canid species. The wolf is...
by BioEdge | Mar 10, 2016 | Site Content
Ball-and-stick model of a glucose molecule, image available in the public domain Addiction to the most natural of fuels In the human species, sugar is a natural part of the diet yet seems to be addictive. The resolution to this paradox...
by BioEdge | Mar 10, 2016 | Site Content
Acinonyx jubatus juveniles with mother photo © Mathias Appel Chimaera-mimicry in juvenile cheetah Mellivora capensis photo © Jaganath The juvenile colouration of the cheetah exemplifies chimaera-mimicry. The body imitates that of the honey badger while the head...
by BioEdge | Mar 9, 2016 | Site Content
Litoria phyllochroa photo © Froggydarb Radiation of Australasian treefrogs (genus Litoria) Litoria raniformis photo © Tnarg 12345 Australasian marsupials have radiated into surprisingly diverse forms despite all retaining a single mode of reproduction by means of...
by BioEdge | Mar 9, 2016 | Site Content
Acinonyx jubatus photo © Rob Kirby Working versus idle weaponry in the wild Alcelaphus cokii photo © Dger The distinction between working and idle weaponry is illustrated by this cheetah attacking a female hartebeest. The cheetah possesses remarkably small weapons,...