Tool use by non-humans - Wikipedia
Dolphins – News, Research and Analysis – The Conversation – page 2
09-21 What's in a Brain? Primate Cognition. - Duke Lemur Center
The Intelligence of Crows and Magpies - Earthfire Institute
Dolphin Nature, Technology, and the Environment
Nutcrackers & Whistles: Animals That Use Tools
[Turner, Pamela S.] on . *FREE* shipping on qualifying offers. The Dolphins of Shark Bay (Scientists in the Field)
The Dolphins of Shark Bay (Scientists in the Field)
Humans. Dolphins. Crows. Chimps. Bonobos. Robots. Welcome to the
Who ya callin' bird brain? - The Washington Post
Tool use by non-humans - Wikipedia
Dolphins beat humans, chimps at early signs of self-awareness
Crows could be the smartest animal other than primates - BBC Future
Dolphins have similar personality traits to humans, study finds