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Dam construction update, June 15: Visitors are no longer able to cross the outlet works. There will be no access to the Bittern Marsh Trail or east side of the river during this time.

 

There will be no access to the pavilion and Beaver Pond parking area on weekdays through July 3. These parking lots will be available for use on weekends. This will include the following areas and trails: Bittern Marsh, Redbud, Cicada, Green Dragon and Cottonwood Trails. Only the Blackjack will remain unaffected during this time. Access will not be available east of the pavilion at a later undetermined date. 

 

Habitat Usage and Behavioral Ecology of Painted Buntings

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By UNT Graduate Students Katie Ceynar and Christine Gurley

Bunting banding 2Painted Buntings are migratory songbirds, fairly common in North Texas during their summer breeding season and widely recognized for the adult males’ distinctive rainbow feathers. Despite their popularity, there are still many things we do not know about their breeding behavior. Unusually for songbirds, young male Painted Buntings are visually identical to adult females for their first breeding season, spending a year longer than most species before they develop their adult colors. Why are young male birds always “green males” in this species? Color is an important part of how birds communicate, and the reason for green males being green is currently unknown. It is also unclear how young (green) males behave differently from adult (colorful) males, and how that affects the behavior of the rest of the species.
 
A team of researchers from the University of North Texas at Denton has been monitoring Painted Buntings at LLELA since 2017, collecting data such as population density, territory sizes, genetic samples, and observing territorial and nesting behavior. Researchers on this project include Dr. Jim Bednarz, graduate student Christine Gurley (expected grad. 2020), and new graduate Katie Ceynar. The summer team typically also includes several undergraduate student researchers and Bunting banding 1citizen scientist volunteers. The team’s research questions include how birds of different ages and sexes are treated in territorial disputes, how often individual birds return to the same breeding territories, how female birds decide where to place their nests, and how the birds at LLELA change their behavior in response to ongoing prairie habitat restoration. Understanding the breeding behavior of this species, including the “green males,” is both interesting to the bird research community and informative for designing effective conservation measures for Painted Buntings and their habitat.

 

Painted Bunting research project poster