Haenel, G. J. 2011. Effects of Habitat on clutch size of ornate tree lizards, Urosaurus ornatus. Western North American Naturalist 71(2): 247-256.
Haenel, G. J. 2009. Isolation and characterization of microsatellites in Tree lizards, Urosaurus ornatus. Molecular Ecology Resources 9: 597-599.
John-Alder, H. B., R. M. Cox, G. J. Haenel, and L. C. Smith. 2009. Hormones, performance and fitness: Natural history and endocrine experiments on a lizard (Sceloporus undulatus). Integrative and Comparative Biology 49: 393-407.
Haenel, G. J. 2007. Phylogeography of Tree lizards, Urosaurus ornatus: response of populations to past climate change. Molecular Ecology 16: 4321-4334.
Haenel, G. J., L. C. Smith, and H. B. John-Alder. 2003. Home range analysis in Sceloporusundulatus (eastern fence lizard). I. Spacing patterns and the context of territorial behavior. Copeia 2003: 99-112.
Haenel, G. J., L. C. Smith, and H. B. John-Alder. 2003. Home range analysis in Sceloporus undulatus. II. A test of spatial relationships and reproductive success. Copeia 2003:113-123.
Haenel, G. J. and H. B. John-Alder. 2002. Experimental and demographic analyses of growth rate and sexual size dimorphism in a lizard, Sceloporus undulatus. Oikos 96:70-81.
John-Alder, H.B., R. Carsia, L.C. Smith, and G.J. Haenel. 2002. Seasonal and sexual variation in plasma corticosterone and adrenocortical cell function in Eastern fence lizards (Sceloporus undulatus). Proceedings of the 21st Conference of European Endocrinologists. Bonn (Germany). Eds. R. Keller, H. Dircksen, D. Sedlmeier, H. Vaudry: 141-146.
John-Alder, H. B. and Haenel, G.J. 2000. Experimental and demographic analyses of growth rate and sexual size dimorphism in a lizard, Sceloporus undulatus. American Zoologist 40:1078-9.
Haenel, G. J. 1998. Review of Species: The Units of Biodiversity. Ed. M.F. Claridge, H.A. Dawah, and M.R. Wilson, London and New York: Chapman and Hall. 1997. The Quarterly Review of Biology. Vol. 73(4): 529. (book review)
Haenel, G. J. 1997. Mitochondrial DNA variation in populations of the Tree lizard, Urosaurus ornatus. Copeia 1997: 174-178.
John-Alder, H. B., L. C. Seitz, and G. J. Haenel. 1997. Ecological endocrinology of reptiles: hormonal causes and correlates of variation in exercise endurance in lizards. In Proceedings of the XIII International Congress of Comparative Endocrinology (Yokohama, Japan. Nov. 1997): 1661-1667. Monduzzi Editore. Bologna, Italy.