Karl   S.  Berg

Assistant Professor  

Dr. Karl S. Berg





Selected Publications


  • Karl Berg and I Berkunsky. "Current threats faced by Neotropical parrot populations," Biological Conservation 214, (2017): 278-287.

  • Karl Berg. Parrots of the wild: A natural history of the world's most captivating birds. Condor: Ornithological Applications, 119, October (4th Quarter/Autumn) 2017: 3.

  • Karl Berg and Luis Carrasco. "Avifauna of the Mache Chindul Ecological Reserve, Northwest Ecuador.," Ornitologia Neotropical 24, (2013): 321-334.

  • Karl Berg, Steven Beissinger, and Jack Bradbury. "Factors shaping the ontogeny of vocal signals in a wild parrot," Journal of Experimental Biology 216, (2013): 338-345.

  • Karl Berg, Soraya Delgado, Katheryn Cortopassi, Steven Beissinger, and Jack Bradbury. "Vertical transmission of learned signatures in a wild parrot," Proceedings of the Royal Society, Biology 279, (2012): 585-592.

  • Karl Berg, Soraya Delgado, Rae Okawa, Steven Beissinger, and Jack Bradbury. "Contact calls are used for individual mate recognition in free-ranging green-rumped parrotlets, Forpus passerinus," Animal Behaviour 81, (2011): 241-248.

  • Karl Berg, Jacqueline Socola, and Raphael Angel. "Great Green Macaws and their annual cycle of food plants in Ecuador," Journal of Field Ornithology 78, (2007): 1-10.

  • Karl Berg, Robb Brumfield, and Victor Apanius. "Phylogenetic and ecological determinants of the neotropical dawn chorus," Proceedings of the Royal Society, Biology 273, (2006): 999-1005.

  • Karl Berg and Raphael Angel. "Seasonal roosts of Red-lored Amazons in Ecuador provide information about population size and structure," Journal of Field Ornithology 77, (2006): 95-103.

  • Paul Coopmans, John Moore, Niels Krabbe, Olaf Jahn, Karl Berg, and Mitch Lysinger. The Birds of Southwest Ecuador. San Jose, CA: John V. Moore Nature Recordings, 2004.



Selected Grants and Fellowships


  • Karl Berg. Sibling influences on vocal babbling and vocal development, National Science Foundation, $571,373.00 (November 15, 2016 - October 31, 2019)

  • David Hicks. Commercial Launch Site: Active Construction Species Monitoring Plan, SpaceX, $61,493.00 (September 2017 - September 2018)

  • David Hicks. Commercial Launch Site: Active Construction Species Monitoring Plan, SpaceX, $60,297.00 (August 15, 2016 - August 15, 2017)

  • Karl Berg. Enhancing habitat for endangered red-crowned parrots in Texas, Texas Parks & Wildlife, $29,998.00 (March 1, 2016 - February 28, 2017)

  • Karl Berg. Wireless mobility: evolutionary development and the vocal-flight-respiratory axis in a neotropical bird community, National Geographic Society, $17,759.00 (June 1, 2015 - December 10, 2015)

  • Karl Berg. Commercial Launch Site Pre-construction Species Monitoring Survey , SpaceX, $60,000.00 (October 2014 - October 2015)

  • Karl Berg. Comparative developmental psychobiology and the vocal-flight-respiratory axis in a neotropical avian community, National Geographic Society, $19,024.00 (June 1, 2014 - December 10, 2014)

  • Karl Berg. Coming of age in South America: emergence of congitive milestones in a wild parrot society, National Geographic Society, $33,140.00 (June 1, 2012 - December 10, 2012)

  • Karl Berg. Do Parrots Really Talk?: Behavioral Ecology of Vocal Diversity in Wild Parrots , National Geographic Society, $22,000.00 (June 1, 2011 - December 10, 2011)



Selected Presentations


  • Caleb Arellano and Karl Berg. "Parrot border crossing?: Biology and conservation of endangered red-crowned parrots in the Rio Grande Valley of Texas," 136th Meeting of American Ornithological Society, American Ornithological Society, Tucson, Arizona (April 2018)

  • Karl Berg. "The vocal-flight-respiratory axis: origins of avian vocal learning?," 136th Meeting of American Ornithological Society, American Ornithological Society, Tucson, Arizona (April 2018)

  • Karl Berg. "Red-crowned Parrots in the Rio Grande Valley of Texas," 23rd Annual Winter Outdoor Wildlife Expo, South Padre Island Birding Center, South Padre Island, Texas (January 2018)

  • Karl Berg. "De que hablan los loros?: la imitacion vocal en los loros silvestres," Staff Meeting, Jocotoco Foundation, Quito, Ecuador (January 2018)

  • Caleb Arellano and Karl Berg. "Influence of early social complexity on sibling networks and later cognitive development in a wild parrot population," 135th Meeting of American Ornithological Society, American Ornithological Society, Michigan State University (August 2017)

  • Karl Berg. "Endangered parrots of the Rio Grande Valley," 22nd Winter Outdoor Wildlife Expo, South Padre Island Birding Center, South Padre Island, Texas (January 2017)

  • Karl Berg. "Enhancing habitat for red-crowned parrots in Texas," Annual Meeting of the Texas Ornithological Society, Texas Ornithological Society, McAllen, Texas (January 2017)

  • Karl Berg and Astolfo Mata-Betancourt. "Comparative developmental biology of the vocal-flight-respiratory axis in a tropical bird community," IV North American Ornithological Conference, American Ornithologist' Union and several others, Washington, DC (August 2016)

  • Karl Berg. "Wireless mobility: Evolutionary development of the vocal-flight-respiratory axis in a neotropical bird community," Texas Master's Naturalist, Texas Parks & Wildlife, Harlingen, TX (February 2016)

  • Karl Berg. "Green-rumped Parrotlets: What's all the talk about?," 22nd Annual Rio Grande Valley Birding Festival, Harlingen, TX (November 2015)

Current Courses

BIOL 4399 05 - Research Problems in Biology:
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Course Evaluations
Textbooks
BIOL 7300 02 - Thesis I:
Syllabus
Course Evaluations
Textbooks
BIOL 6285 05 - Graduate Research:
Syllabus
Course Evaluations
Textbooks
BIOL 6285 02 - Graduate Research:
Syllabus
Course Evaluations
Textbooks
BIOL 3409 02 - Ecology:
Syllabus
Course Evaluations
Textbooks

Previous Courses