The vocal, banana-munching porcupine at Squam Lake Natural Science Centre
Watch a wonderful video taken by BBC producer Lucy Bowden of a porcupine and his meal.
Galapagos penguin
Sarah McPherson discusses the only penguin found north of the equator.
Naturalist and author Polly Pullar discusses the reasons behind otter types' differing visibility.
Red-backed shrike
Author Liz Kalaugher discusses how shrikes developed their signature skewering technique.
Palaeontologist Jon Tennant discusses the reasons behind dinosaurs' colossal size.
As the days shorten and the temperatures drop, it's the ideal time to curl with a good book, whether in front of a fire or under a tree. Check out our guide to the latest wildlife books.
Naturalist and author Amy-Jane Beer discusses the science behind snail slime.
Naturalist and author Polly Pullar discusses the nesting patterns of golden eagles.
Komodo dragons inspired legends of fire-breathing monsters and, as Mark Eveleigh discovered, the trust is almost as strange as the fiction. 
A sanctuary in Thailand is rehabilitating captive elephants with the aim of returning them to the wild. BBC Wildlife's Richard Eccleston reports on the project.
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