Naturalist and author Polly Pullar discusses the reasons behind otter types' differing visibility.
Wild giant panda
BBC Wildlife contributor Stuart Blackman discusses why giant pandas are black and white.
Golden jackal
European countries can’t agree if the golden jackal is native - and therefore whether it should be protected.
Red kangaroo hopping
BBC Wildlife contributor Ben Phillips answers your wild question. 
African lion
The zoologist and broadcaster comments on the global condemnation of the killing of Cecil the lion that proves the tide has turned against trophy hunting. 
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