Phylogeographical analyses provide information about the role of evolutionary processes
underlying species diversity of the Neotropical montains. We used mitochondrial DNA …

… (2010) suggested that the population genetics of clade I may have been partially shaped
by range expansion at the beginning of the Holocene; interestingly, Klicka et al. (2011) …

During interactions with people who are not familiar with the nature of our work in a museum
of natural history, we frequently encounter questions about why birds are col-lected and …

… The populations in south Texas inhabit areas that seem subject to periodic habitat extinctions
(Klicka pers. obs.), which might lead to greater differentiation by founder events. Also, …

The Brownsville Yellowthroat (G. t. insperata) was discovered in February of 1988 to be
extant in the southern tip of Cameron County, south Texas. A life history study using color-…

Two tropical vireonids (Hylophilus o. ochraceiceps and H. d. "decurtatus") and two furnariids
(Xenops minutus mexicanus and Automolus ochrolaemus cervinigularis) were examined …

Two monochromatic tropical wrens (Thryothorus maculipectus and Henicorhina [leucosticta]
prostheleuca) were examined using external measurements of museum specimens. …

… The AOU (see [12]) Committee on Classification and Nomenclature considers the Timberline
Sparrow a subspecies of Brewer's Sparrow although we consider it a species (Klicka et al., …

Parasites were harvested from lungs and gastrointestinal tracts of Alligator mississippiensis
from Texas. We compared our results with previous parasitism findings from alligators …

A major goal of ornithology is to understand the processes that drive avian diversification (Price).
There is growing interest in and evidence for a potential role of seasonal …