| reptiles as potential vectors and hosts of the amphibian pathogen batrachochytrium dendrobatidis in panama. | chytridiomycosis, the disease caused by batrachochytrium dendrobatidis, is considered to be a disease exclusively of amphibians. however, b. dendrobatidis may also be capable of persisting in the environment, and non-amphibian vectors or hosts may contribute to disease transmission. reptiles living in close proximity to amphibians and sharing similar ecological traits could serve as vectors or reservoir hosts for b. dendrobatidis, harbouring the organism on their skin without succumbing to disea ... | 2011 | 22303629 |
| patterns of second-to-fourth digit length ratios (2d:4d) in two species of frogs and two species of lizards at la selva, costa rica. | it is now well documented that androgen and estrogen signaling during early development cause a sexual dimorphism in second-to-fourth digit length ratio (2d:4d). it is also well documented that males of mammalian species have a smaller 2d:4d than females. although there are discrepancies among 2d:4d studies in birds, the consensus is that birds exhibit the opposite pattern with males having a larger 2d:4d than females. the literature currently lacks substantial information regarding the phylogen ... | 2012 | 22262453 |
| thermal quality influences habitat use of two anole species. | regeneration of secondary forests on previously deforested or degraded land is one of the most dominant forms of land-use change in the tropics. however, the response of animal communities to forest regeneration is poorly understood. to evaluate support for thermal quality as a mechanism driving reptile species distributions during secondary forest succession, we measured operative temperatures and occupancy in three successional forest stages (pasture, secondary forest, and old growth forest) f ... | 2018 | 30017052 |
| condition dependence of shared traits differs between sympatric anolis lizards. | in many species, sexually selected combat and display traits can confer dramatic fitness benefits to males by aiding in mate acquisition, so individuals maximally invest energy into their growth and maintenance. such traits are deemed condition-dependent, as the energy that is available for investment depends on the health and condition of the individual. condition dependence is present in a wide range of traits across many taxa, but the extent to which condition dependence varies among shared t ... | 2017 | 29356407 |
| biogeography and evolution of a widespread central american lizard species complex: norops humilis, (squamata: dactyloidae). | caribbean anole lizards (dactyloidae) have frequently been used as models to study questions regarding biogeography and adaptive radiations, but the evolutionary history of central american anoles (particularly those of the genus norops) has not been well studied. previous work has hypothesized a north-to-south dispersal pattern of central american norops, but no studies have examined dispersal within any norops lineages. here we test two major hypotheses for the dispersal of the n. humilis/quag ... | 2015 | 26187158 |
| the role of microhabitat in predation on females with alternative dorsal patterns in a small costa rican anole (squamata: dactyloidae). | predation is one of the major selective agents influencing evolution of color patterns. cryptic color patterns decrease detection probability by predators, but their concealing function depends on the background against which patterns are seen; therefore, habitat use and color patterns are tightly linked. in many anole species, females exhibit variation in dorsal color patterns; the drab and perhaps cryptic colors of the patterns suggest a predator avoidance function behind this polymorphism. we ... | 2013 | 23885598 |