Distribution and habitat of the parthenogenetic whiptail lizard
For that reason the whiptail lizard
that inhabits Banco Chinchorro BR is Aspidoscelis maslini (Manriquez-Moran et al.
of the genus Aspidoscelis (formerly Cnemidophorus; Reeder and others 2002), occur throughout the southern and southwestern United States, with the ranges of some species extending into southeastern Oregon and adjacent Idaho.
2001) and in whiptail lizards
(Wennstrom and Crews 1995), letrozole affected sex determination, as did fadrozole in chickens and turkeys (Burke and Henry 1999).
A new whiptail lizard
, genus Cnemidophorus, from Mexico.
What she discovered is that two of the three species - the fence lizard and the whiptail lizard
- did indeed use the same gene that controls the production of melanin; the same substance that controls the color of human hair.
When a whiptail lizard
encounters a burrow entrance, it inserts its head inside and rapidly flicks its tongue to determine if the burrow is already occupied.
Moreover, it was not recognizable in the field as belonging to any species of whiptail lizard
known from New Mexico (Degenhardt et al.
Hybrid origin of a unisexual species of whiptail lizard
, Cnemidophorus neomexicanus, in western North America: new evidence and a review.
Collections were made between 0900 and 1700 CDT on clear to partly cloudy days in spring and summer during the peak period of whiptail lizard
activity; visits were also made to some sites in September and October (Table 1).
Orlando Cuellar, a whiptail lizard
specialistat the University of Utah in Salt Lake City, is more direct in his criticism of Crews's conclusions, saying Crews hasn't demonstrated the phenomenon in free-roaming populations of parthenogenetic whiptail lizards
However, infection rate was not significantly influenced by host body size in an investigation of a partenogenetic whiptail lizard
(Cnemidophorus nativo) (Menezes et al.
First, a lengthy field study conducted in Bentsen-Rio Grande Valley State Park in the 1990s showed that the whiptail lizard
community changed dramatically since the Park was initially surveyed.
Activity, temperature, age, size, and reproduction in the parthenogenetic whiptail lizard
Cnemidophorus dixoni in the Chinati Mountains in trans-Pecos Texas.
Karyotypes of the parthenogenetic whiptail lizard
Cnemidophorus laredoensis and its presumed parental species.