Tail loss incidence in the Chihuahuan fringe toed-lizard Uma paraphygas (Squamata: Phrynosomatidae)
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| Format: | Artículo científico |
| Langue: | en |
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Universidad Nacional Autónoma de México
2011
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| _version_ | 1876460377327271936 |
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| author | Gamaliel Castañeda |
| author_facet | Gamaliel Castañeda |
| contents | Tail loss incidence in the Chihuahuan fringe toed-lizard Uma paraphygas (Squamata: Phrynosomatidae) Gamaliel Castañeda Cristina García-De la Peña Héctor Gadsden Armando J. Contreras-Balderas William E. Cooper Jr Biología Tail loss Uma paraphygas agonistic behavior We analyzed lizard population density and tail loss frequency in 2 populations of Uma paraphygas to determine if the proportion of lizards with tail loss was different between populations, sexes, and age classes. Also, we estimated unbroken and regenerated tail growth rates for adult males and females, and juveniles. Data were collected between fall 1997 and summer 1999. Tail loss incidence was relatively low overall, but was significantly higher at the site (Dune 1) with lower vegetation cover. Adult lizards showed a higher tail loss frequency than juveniles at the site with higher vegetation density (Dune 2); there was no difference between adult males and females in both dunes. Observations on 33 lizards with bite marks suggest that intraspecific encounters are not a direct cause of caudal autotomy in this species. The caudal growth rates of lizards were similar for unbroken and regenerated tails between sexes and among age classes. 2011 artículo científico 1870-3453 https://www.redalyc.org/articulo.oa?id=42520745017 en http://www.redalyc.org/revista.oa?id=425 Revista Mexicana de Biodiversidad application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Biodiversidad (México) Num.1 Vol.82 |
| format | Artículo científico |
| id | redalyc_42520745017 |
| institution | Redalyc |
| language | en |
| publishDate | 2011 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Tail loss incidence in the Chihuahuan fringe toed-lizard Uma paraphygas (Squamata: Phrynosomatidae) Gamaliel Castañeda Biología Tail loss Uma paraphygas agonistic behavior Tail loss incidence in the Chihuahuan fringe toed-lizard Uma paraphygas (Squamata: Phrynosomatidae) Gamaliel Castañeda Cristina García-De la Peña Héctor Gadsden Armando J. Contreras-Balderas William E. Cooper Jr Biología Tail loss Uma paraphygas agonistic behavior We analyzed lizard population density and tail loss frequency in 2 populations of Uma paraphygas to determine if the proportion of lizards with tail loss was different between populations, sexes, and age classes. Also, we estimated unbroken and regenerated tail growth rates for adult males and females, and juveniles. Data were collected between fall 1997 and summer 1999. Tail loss incidence was relatively low overall, but was significantly higher at the site (Dune 1) with lower vegetation cover. Adult lizards showed a higher tail loss frequency than juveniles at the site with higher vegetation density (Dune 2); there was no difference between adult males and females in both dunes. Observations on 33 lizards with bite marks suggest that intraspecific encounters are not a direct cause of caudal autotomy in this species. The caudal growth rates of lizards were similar for unbroken and regenerated tails between sexes and among age classes. 2011 artículo científico 1870-3453 https://www.redalyc.org/articulo.oa?id=42520745017 en http://www.redalyc.org/revista.oa?id=425 Revista Mexicana de Biodiversidad application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Biodiversidad (México) Num.1 Vol.82 |
| title | Tail loss incidence in the Chihuahuan fringe toed-lizard Uma paraphygas (Squamata: Phrynosomatidae) |
| topic | Biología Tail loss Uma paraphygas agonistic behavior |
| url | https://www.redalyc.org/articulo.oa?id=42520745017 |