The lizard is surrounded. She darts beneath a spiky shrub, a towering figure in a wide-brimmed hat looming over her. Corey Roelke shouts for someone to put down another glue trap. Edita Folfas swiftly ...
The lizard genus Cnemidophorus (family Teiidae) contains sexual as well as parthenogenetic species. The theoretical two-fold fitness advantage of asexuality does not translate into any obvious ...
Scientists better understand how and why hybridization leads to diverse evolutionary outcomes – such as increased genetic diversity in a species, versus creation of a species that’s wholly new – ...
A long, slender lizard moved among trees in a pinyon-juniper woodland on the Colorado Plateau, searching the accumulated debris beneath the trees for grubs, spiders, beetles or any other insects. It ...
A rare lizard species in Colorado reacts to stress-inducing loud noises by eating, a study found. Researchers studied the Colorado checkered whiptail, an all-female lizard species, in 2021. Noise ...
A team led by biologists at The University of Texas at Arlington has published a study supporting the theory that species that reproduce asexually have more harmful genetic mutations than those ...
Quite often, while walking in open space around Boulder, my slow advance triggers the explosions of grasshoppers frantic to escape, and it makes me wonder about what danger they are attempting to ...
While many organisms featured in this column can observed statewide, others only occur in small pockets of appropriate habitat throughout the state. However, there is one species of whiptail that's ...
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