Walker, R. C. J., Rix, C. E., & Woods-Ballard, A. J. (2004). The export of the endangered madagascar spider tortoise (pyxis arachnoides) to support the exotic pet trade. Herpetological Bulletin, 90, 2–9. |
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Added by: Admin 14 Aug 2008 20:38:57 UTC |
Pop. 2.5%
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Walker, R. C. J., & Rafeliarisoa, T. H. (2010). Distribution of the madagascar spider tortoise, pyxis arachnoides. Turtle Survival Alliance Magazine, 2010, 61–63. |
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Added by: Sarina Wunderlich 12 Dec 2010 20:43:17 UTC |
Pop. 3%
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Walker, R. C. J., Woods-Ballard, A. J., & Rix, C. E. (2007). Population density and seasonal activity of the threatened madagascar spider tortoise (pyxis arachnoides arachnoides) of the southern dry forests; south west madagascar. African Journal of Ecology, 46(1), 67–73. |
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Added by: Admin 14 Aug 2008 20:34:36 UTC |
Pop. 3.25%
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Walker, R. C. J. (2009). Preliminary results of a population range and density survey for pyxis arachnoides brygooi in madagascar. TurtleLog: Online Newsletter of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group, 3. |
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Added by: Admin 18 Jul 2009 11:46:27 UTC |
Pop. 2.5%
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Walker, R. C. J., Luiselli, L., Woods-Ballard, A. J., & Rix, C. E. (2012). Microhabitat use by the critically endangered madagascar endemic tortoise, pyxis arachnoides. Herpetological Journal, 22(1), 63–66. |
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Added by: Sarina Wunderlich 30 Jun 2012 22:02:02 UTC |
Pop. 3.5%
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Walker, R. C. J. (2009). The spider tortoise (pyxis arachnoides): madagascar's forgotten species? Testudo, 7, 77–84. |
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Added by: Sarina Wunderlich 12 Dec 2010 20:43:17 UTC |
Pop. 2.5%
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Walker, R. C. J. (2012). A critical evaluation of field survey methods for establishing the range of a small, cryptic tortoise (pyxis arachnoides). Herpetological Journal, 22(1), 7–12. |
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Added by: Sarina Wunderlich 30 Jun 2012 22:02:02 UTC |
Pop. 3%
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Walker, R. C. J. (2010). The decline of the critically endangered northern madagascar spider tortoise (pyxis arachnoides brygooi). Herpetologica, 66(4), 411–417. |
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Added by: Sarina Wunderlich 12 Dec 2010 20:43:17 UTC |
Pop. 3%
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Walker, R., Luiselli, L., & Rafeliarisoa, T. (2012). Survival probability of a population of madagascar spider tortoises (pyxis arachnoides). Amphibia-Reptilia, 33(1), 141–144. |
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Added by: Sarina Wunderlich 30 Jun 2012 22:02:02 UTC |
Pop. 2.75%
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Wallis, D. (2009). Evaluating the short-term success of a reintroduction of the critically endangered ploughshare tortoise, astrochelys yniphora. Unpublished thesis Master of Science, Imperial College, London. |
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Added by: Sarina Wunderlich 28 Feb 2010 12:07:49 UTC |
Pop. 3.25%
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Woods-Ballard, A. J., Fanning, E., Rix, C. E., & Walker, R. C. J. (2004). Radiated tortoises found on the protected island of nosy vé, southwest madagascar. Turtle and Tortoise Newsletter, 7, 26–27. |
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Added by: Admin 14 Aug 2008 20:37:25 UTC |
Pop. 2.75%
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Woods-Ballard, A. J., & Fanning, E. (2004). A note on hunting of radiated tortoises in the beheloka region, southwest madagascar. Turtle and Tortoise Newsletter, 7, 25–26. |
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Added by: Admin 14 Aug 2008 20:37:25 UTC |
Pop. 2.5%
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Young, R. P., Volahy, A. T., Bourou, R., Lewis, R. E., Durbin, J., & Fa, J. E. (2008). Estimating the population of the endangered flat-tailed tortoise pyxis planicauda in the deciduous, dry forest of western madagascar: a monitoring baseline. Oryx, 42, 252–258. |
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Added by: Admin 21 Nov 2009 11:53:26 UTC |
Pop. 2.75%
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