Current emphases on raptors, bird depredation of rice and food fishes, and effects of habitat modification on bird-human conflicts and species diversity in Texas ecosystems.
Approaches integrate behavioral, morphological and population studies.
Population studies consider movements and survival, as well as long-term population genetics of species with expanding or contracting distributions. Movement and mortality estimates of cliff swallows in Texas. Checklist of the birds of Texas. K.A. Arnold, editor. A method for assessing blackbird damage to ripening rice.