Julian D. Avery, Ph.D.

Julian D. Avery, Ph.D.

  • Assistant Research Professor
  • Wildlife Ecology and Conservation
412 Forest Resources Building
University Park, PA 16802

Areas of Expertise

  • Invasion Ecology
  • Population Genetics
  • Wildlife Ecology
  • Evolution
  • Conservation Biology
  • Animal Coloration
  • Island Biology


  • PhD Rutgers University
  • MS Eastern New Mexico University
  • BS Penn State University

Conservation biology; animal ecology and responses to human disturbance; invasion ecology; patterns and processes in animal coloration.

Instagram: @EvolutionAvery


Whole genome assessment of a declining game bird reveals cryptic genetic structure and insights for population management
Molecular Ecology, Luna, Leilton W., Williams, Lisa M., Duren, Kenneth, Tyl, Reina, Toews, David P.L., Avery, Julian D., 2023

Fitness Costs of Maternal Ornaments and Prenatal Corticosterone Manifest as Reduced Offspring Survival and Sexual Ornament Expression
Frontiers in Endocrinology, Assis, Braulio A., Avery, Julian D., Earley, Ryan L., Langkilde, Tracy, 2022

Gas compressor noise does not influence tree swallow nestling condition or immune response
Journal of Zoology, MacLeod, K. J., Naugle, L., Brittingham-Brant, Margaret, Avery, J. D., 2022

Masculinized Sexual Ornaments in Female Lizards Correlate with Ornament-Enhancing Thermoregulatory Behavior
Integrative Organismal Biology, Assis, B. A., Avery, J. D., Earley, R. L., Langkilde, T., 2022

Optimization of a suite of flathead catfish (Pylodictis olivaris) microsatellite markers for understanding the population genetics of introduced populations in the northeast United States
BMC Research Notes, White, Shannon L., Eackles, Michael S., Wagner, Tyler, Schall, Megan, Smith, Geoff, Avery, Julian, Kazyak, David C., 2021

Honest signals and sexual conflict: Female lizards carry undesirable indicators of quality
Ecology and Evolution, Assis, Braulio A., Avery, Julian D., Tylan, Catherine, Engler, Heather I., Earley, Ryan L., Langkilde, Tracy, 2021

Experimental playback of natural gas compressor noise reduces incubation time and hatching success in two secondary cavity-nesting bird species
Ornithological Applications, Avery, Julian, Williams, Danielle, Avery, J, Gabrielson, T, Brittingham-Brant, M, Brittingham, Margaret, 2021

Plastic sexual ornaments: Assessing temperature effects on color metrics in a color-changing reptile
PLoS One, Assis, B. A., Jarrett, Benjamin, Koscky, Gabe, Langkilde, Tracy Lee, Avery, Julian, 2020

Trade-off between Thermal Quality and Predation Risk at Timber Rattlesnake Gestation Sites
Journal of Herpetology, Herr, Mark W., Avery, Julian D., Langkilde, Tracy, Howey, Christopher, 2020

Teaching with Instagram
NACTA Journal (North American Colleges and Teachers of Agriculture), Avery, Julian, 2020

Evaluating the long-term effectiveness of terrestrial protected areas: a 40-year look at forest bird diversity
Biodiversity and Conservation, Brown, Jeffrey A., Lockwood, Julie L., Avery, Julian D., Curtis Burkhalter, J., Aagaard, Kevin, Fenn, Katherine H., 2019

Eastern Bluebird (Sialia sialis) feeds Tree Swallow (Tachycineta bicolor) nestlings: Support for location-based decision rule
Wilson Journal of Ornithology, Williams, Danielle, Brittingham, Margaret, Brittingham-Brant, Margaret, Avery, Julian, 2019

Spring migration patterns of birds in montane habitats of the Southwestern United States
Southwestern Naturalist, Avery, Julian D., Keller, Gregory S., 2018

Seabird longline bycatch reduction devices increase target catch while reducing bycatch: A meta-analysis
Journal for Nature Conservation, Avery, Julian D., Aagaard, Kevin, Burkhalter, J. C., Robinson, Orin J., 2017

Seeking International Agreement on What it Means To be “Native”
Conservation Letters, Gilroy, James J., Avery, Julian D., Lockwood, Julie L., 2017

Invasion history and management of the house sparrow (Passer domesticus) in North America., Avery, Julian, Lockwood, Julie, 2017

Invasion history and management of the house sparrow (Passer domesticus) in North America: lessons learned from a global invader, Avery, Julian, Lockwood, Julie L., 2017

Contemporary divergence of island bird plumage
Journal of Avian Biology, Avery, Julian D., Cassey, Phillip, Lockwood, Julie L., 2014

The northern bobwhite quail in Pennsylvania: current distribution, status, and trends. Goal 1 of the PA Game Commission northern bobwhite quail management plan for Pennsylvania 2011-2010., Avery, Julian, Brittingham-Brant, M, 2014