Wild At Heart

  • Henry Nicholls
Part of the Macmillan Science book series (MACSCI)


The real reason for keeping a species turning over in captivity must be that one day it will be returned to the wild. The World Conservation Union calls this phase of a conservation initiative ‘reintroduction’, defining it as ‘an attempt to establish a species in an area which was once part of its historical range, but from which it has been extirpated or become extinct’.


Cane Toad Lion Tamarin Northern Elephant Seal Isle Royale Florida Panther 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Notes and sources

  1. ‘an attempt to establish a species …’: IUCN/SSC (1998)Google Scholar
  2. Arabian oryx: Spalton et al. (1999); Anon. (2002) Arabian oryx sanctuary, Oman, United Nations Environment Programme World Conservation Monitoring Centre; Anon. (2004) Oryx leucoryx. 4th International Conservation Workshop for the Threatened Fauna of Arabia, 2004 IUCN Red List of Threatened SpeciesGoogle Scholar
  3. There are hundreds of tortoises…’: Merlen (1999)Google Scholar
  4. No young Pinzón tortoises: Perry (1970)Google Scholar
  5. Details of recovery of Pinzón eggs: MacFarland et al. (1974b)Google Scholar
  6. Success of repatriation of Pinzón youngsters: Perry (1970); Dorst (1971)Google Scholar
  7. ‘When the tortoise was found …’: Snow (1963)Google Scholar
  8. ‘The posterior slope of its carapace …’: Anon. (1972) News from the Charles Darwin Research Station, Galápagos, Noticias de Galápagos 19/20:21-30Google Scholar
  9. Details of Española captive-breeding effort: MacFarland et al. (1974b)Google Scholar
  10. ‘The soil should be relatively fine …’: MacFarland et al. (1974b)Google Scholar
  11. Details of goat eradication on Pinta: Campbell et al. (2004)Google Scholar
  12. ‘A meticulous search, aided by dogs …’: Calvopina (1985)Google Scholar
  13. Discovery and translocation of ‘No. 21’: Thomas Fritts, personal communication; Fritts (1978)Google Scholar
  14. ‘during the last century thousands of tortoises …’: Fritts (1978)Google Scholar
  15. Signs of tortoise breeding on Española: Marquez et al. (1991)Google Scholar
  16. ‘Their appearance on Espanola …’: Marquez et al. (1991)Google Scholar
  17. Challenges of reintroducing golden lion tamarins: see Tudge (1992)Google Scholar
  18. Repatriation of 1000th Espanola tortoise: Anon. (2000) 1,000 tortoises repatriated, Galápagos Conservation Trust,
  19. Genetic contributions of Espanola founders: Milinkovitch et al. (2004) Inbreeding experiments with fruit flies: see Spielman et al. (2004)Google Scholar
  20. ‘Wildlife managers should strive to minimise inbreeding …’: Spielman et al. (2004)Google Scholar
  21. Rescue of the Mauritius kestrel: Groombridge et al. (2000)Google Scholar
  22. Founder population of Isle Royale wolves: Wayne et al. (1991)Google Scholar
  23. ‘It’s more than likely that all the tortoise populations …’: Linda Cayot, personal communicationGoogle Scholar
  24. ’so it seems that on the last trip …’: Evans (1990)Google Scholar
  25. Judas goats: Campbell et al. (2004); Karl Campbell, personal communicationGoogle Scholar
  26. ‘From what we can gather it’s malice’: Karl Campbell, personal communicationGoogle Scholar
  27. Launch of the Isabela Project: Cayot (1998)Google Scholar
  28. Isabela Project success: Charles Darwin Foundation press release, 5 July 2006; see
  29. Proxy introduction of Aldabra tortoises to Mauritius and Curieuse: Justin Gerlach, personal communicationGoogle Scholar
  30. Rewilding North America: Donlan et al. (2005)Google Scholar
  31. Proposal to introduce Espanola tortoises to Pinta: Campbell, personal communicationGoogle Scholar
  32. ‘If, in 20 years time, somebody decided …’: Ole Hamann, personal communicationGoogle Scholar

Copyright information

© Henry Nicholls 2010

Authors and Affiliations

  • Henry Nicholls

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