High-tech tracking reveals red-crowned parrots have four main roosts in south Texas: Brownsville, Harlingen, Weslaco and McAllen.
. Professor Brightsmith’s specialties are tropical ecology, ornithology, and wildlife conservation, especially as these disciplines are related to wild and captive parrots.
“During data collection, I was looking for population information, trend information, the threats to the populations here in Texas, and habitat usage,” Mr Kiacz recounted. “We wanted to understand how these birds are doing and what we might be able to do to help them.”Simon Kiacz, Texas A&M University School of Veterinary Medicine and Biomedical Sciences
As a result of these surveys, Mr Kiacz, Professor Brightsmith and collaborators discovered that red-crowned parrots are doing very well in South Texas, with a population of around 900 birds. They also found that the parrots are especially common in human communities in the Rio Grande Valley, including towns like Brownsville — which even named the red-crowned parrot its official mascot.
Many of these ornamental plants and trees are exotic species. Because the parrots prefer to chew on and eat exotic plants and their fruits, they are not competing with native species for limited food resources. Further, there is little competition between native species and the parrots for housing because the parrots nest in hollows excavated, then later abandoned, by the local woodpeckers.
“You’ll often see these birds roosting together,” Professor Brightsmith said. “They sleep in groups of a hundred or more, and they may end up choosing someone’s front yard, even right over the mailbox. Then, when it gets light outside, they’ll start making noise and flying around. Some people find that to be a nuisance.”
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