HOME >> BIOLOGY >> NEWS
On the loose: Urban coyotes thrive in North American cities

difficult to catch. They quickly learn how to avoid traps. But Gehrt and his colleagues distributed their traps widely throughout the greater Chicago area and successfully caught several animals. They put radio-tagged collars on the captured coyotes and then let them go.

The original estimates of the greater Chicago coyote population were woefully low. The researchers had expected to find a few small coyote packs here and there throughout the city, with total population numbers in the range of several dozen. But the animals were everywhere.

"We couldn't find an area in Chicago where there weren't coyotes," Gehrt said. "They've learned to exploit all parts of their landscape."

Since the beginning of the study, the researchers have caught and tagged more than 200 coyotes. They estimate that there may be somewhere between several hundred and a couple thousand coyotes living in Chicago .

Some of the animals live in city parks, while others live among apartment and commercial buildings and in industrial parks.

The funding agency, Cook County Animal Control and Conservation Medicine Coalition, renews the study every year because the researchers keep finding results that surprise them. This spring, Gehrt will publish the first round of papers from the last six years' worth of research.

The major findings include:

  • Coyotes help control Canada geese populations. It appears that coyotes are helping to curb the booming Canada goose population in urban areas by eating the eggs from the birds' nests.
  • Researchers found that, in Chicago , the annual population growth of Canada geese was reduced to an average of 1 to 2 percent per year, down from the 10 to 20 percent growth rates of a few years ago. Also, while coyotes can clean out several goose nests in one night, they don't actually eat all of the eggs. Rather, they usually carry the eggs away from the nest and bury them, saving the eggs until late
    '"/>


Contact: Stan Gehrt
Gehrt.1@osu.edu
614-292-1930
Ohio State University
3-Jan-2006


Page: 1 2 3

Related biology news :

1. Urban sediments after Hurricanes Katrina, Rita contained high levels of contaminants
2. Urbanization favors sedentary males
3. Urban Wildlife Management book something to crow about
4. Stress and the city: Urban birds keep cool
5. Urban ecology study witnessing the birth of a designer ecosystem
6. Why are coyotes getting more aggressive?
7. Tick-related disease thrives on cholesterol, study suggests
8. Gene thought to assist chemo may help cancer thrive
9. Species thrive when sexual dimorphism broadens their niches
10. Studies show that rockfish thrive with offshore platforms as their home base
11. ORNL-led study shows forests thrive with increased CO2 levels

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/17/2017)... 17, 2017 NXT-ID, Inc. (NASDAQ: NXTD ... filing of its 2016 Annual Report on Form 10-K on Thursday ... ... available in the Investor Relations section of the Company,s website at ... website at http://www.sec.gov . 2016 Year Highlights: ...
(Date:4/11/2017)... 11, 2017 No two people are ... the New York University Tandon School of Engineering ... found that partial similarities between prints are common ... mobile phones and other electronic devices can be ... vulnerability lies in the fact that fingerprint-based authentication ...
(Date:4/5/2017)... KEY FINDINGS The global market for stem ... 25.76% during the forecast period of 2017-2025. The rise ... growth of the stem cell market. Download ... The global stem cell market is segmented on the ... cell market of the product is segmented into adult ...
Breaking Biology News(10 mins):
(Date:8/16/2017)... OXFORD, England , Aug. 16, 2017 /PRNewswire/ ... biotech executive search and leadership development, and Virdis Group, global ... created an exclusive alliance that enables clients to leverage the ... "For our clients here in the ... to a diverse population of leadership talent throughout the US, ...
(Date:8/15/2017)... ... August 15, 2017 , ... Nanomedical Diagnostics , ... development, announces the launch of the new NHS Agile biosensor chip . ... data for a wide range of molecules, including small and large molecules, peptides, ...
(Date:8/15/2017)... ... August 15, 2017 , ... Kenall, a leader in ... to stay tightly sealed and perform efficiently for years. The downlights are ideal ... just aren't enough, such as: hospitals; behavioral health facilities; cleanrooms; containment areas; food ...
(Date:8/15/2017)... ... August 15, 2017 , ... ... Now mobile responsive, the new website makes it easy to navigate through the ... Users can now find detailed product information, educational industry content and visit the ...
Breaking Biology Technology:
Cached News: