Image: Ponds by Nick M
Information sourced from:
Norfolk Wildlife Trust (2014), Wildlife in Norfolk [online], Available from: https://www.norfolkwildlifetrust.org.uk/wildlife-in-norfolk/species-explorer/freshwater-invertebrates/norfolk-hawker [accessed 14/07/2015].
The IUCN Red List of Threatened Species (2015), Triturus cristatus [online], Available from: http://www.iucnredlist.org/search [accessed 14/07/2015].
The IUCN Red List of Threatened Species (2015), Epidalea calamita [online], Available from: http://www.iucnredlist.org/search [accessed 14/07/2015].
The IUCN Red List of Threatened Species (2015), Rana temporaria [online]. Available from: http://www.iucnredlist.org/search [accessed 14/07/2015].