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Websites | Books and DVDs

Websites

Animals in the womb: behind the scenes facts
www9.nationalgeographic.com/channel/
inthewombanimals/behind_the_scenes.html
The National Geographic website answers questions on why and how ultrasound is performed on animals and also explains what is unique about 4-D ultrasound in particular. The site also has extended video footage from the programme.

Cetacean Evolution
www.edwardtbabinski.us/whales/hind_limb_buds/
Photographs can be seen on this web page of a dolphin found to have four fins. There are also images of a five-week-old foetus with small protruding bumps where hind legs are thought to have once existed.

Dolphin may have remains of legs
http://abcnews.go.com/Technology/wireStory?id=2629683
Article from November 2006 on a bottlenose dolphin captured in Japan and found to have an extra set of fins that could be the remains of hind legs. This discovery may provide further evidence that ocean-dwelling mammals once lived on land.

Evolution of Cetaceans
http://en.wikipedia.org/wiki/Whale_evolution
Fascinating look at the evolution of whales, dolphins and porpoise with accompanying illustrations. Wikipedia is an online community encyclopaedia.

The Life of Mammals
www.bbc.co.uk/nature/animals/mammals/
Loads of information, video clips, games and more on the fascinating life of mammals.

Mammalian Embryogenesis
http://en.wikipedia.org/wiki/Mammalian_embryogenesis
Mammalian embryogenesis is the process of cell division and cellular differentiation that leads to the development of a mammalian embryo.

Tree of life: mammals and their extinct ancestors
http://tolweb.org/tree?group=Synapsida&contgroup=Amniota
Evolution of mammals through a tree of life with illustrations and discussion.

When whales walked the land
http://news.bbc.co.uk/2/hi/science/nature/1553008.stm
BBC article from September 2001 on fossils of the early land-based ancestors of whales recently unearthed in Pakistan. Scientists say the creatures were a 'missing link' between primitive hoofed mammals and the whale family.

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Books and DVDs

	Field Guide to the Mammals of Britain and Europe by John Burton (Kingfisher, 1991) A guide to all the terrestrial and aquatic mammals likely to be seen in Britain and Europe, with over 160 covered in detail. Concise descriptions summarise the key physical features, behaviour and range of each main animal, as well as distinguishing the similar species. Get this book
	The Life of Mammals DVD (2003) David Attenborough provides a thorough and entertaining overview of one of evolution's greatest success stories, beginning with the 'winning design' that makes mammals different from reptiles and birds – their ability to adapt. Get this book
	Marine Mammal Biology: An evolutionary approach by A Rus Hoelzel (Blackwell, 2002) A general introduction to the biology of marine mammals and an overview of the adaptations that have permitted mammals to succeed in the marine environment. Each chapter offers an up-to-date review and presents the major discoveries and innovations in the field. Get this book

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