How effective is the Birdsbesafe® cat collar at reducing bird mortality by domestic cats?
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Abstract
The global decline of songbird populations is a well-recognized conservation issue. Domestic cats kill an estimated 2.4 billion birds each year in the United States alone—more than most other anthropogenic threats combined. As many pet owners are reluctant to keep their cats inside, collar-mounted antipredation devices for domestic cats may be an important conservation tool. We examined the effectiveness of the Birdsbesafe® collar cover (BCC), a sleeve of brightly patterned fabric worn over a typical breakaway collar. The BBC's designers intend for the collar's bright colors to alert potential prey to the cat's presence. By combining data from two studies in New York (2014 and 2019) and one in Florida (2019), all of which used similar methods, we tested the hypothesis that the BCC effectively reduces avian mortality caused by cats of different ages and sexes in different hunting environments. We tested 94 cats over a 12-wk period in New York in 2014 or 8-wk periods in Florida and New York in 2019 during the bird breeding seasons; cats alternated 2-wk periods with and without the collar. Across studies, we recovered 2.7 times fewer birds per cat with the BCC than without (P = 0.006). The BCC was more effective at a temperate latitude than a subtropical one (P = 0.047). There was no difference in the effectiveness of the BCC for cats of varying ages, sexes, or hunting environments. Our results suggest that the BCC could be one tool within a larger effort to decrease domestic cat predation of songbirds.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | How effective is the Birdsbesafe® cat collar at reducing bird mortality by domestic cats? |
| Series title | Journal of Fish and Wildlife Management |
| DOI | 10.3996/JFWM-21-055 |
| Volume | 13 |
| Issue | 1 |
| Publication Date | April 14, 2022 |
| Year Published | 2022 |
| Language | English |
| Publisher | Allen Press |
| Contributing office(s) | Coop Res Unit Atlanta |
| Description | 10 p. |
| First page | 182 |
| Last page | 191 |
| Country | United States |
| State | Florida, New York |
| County | St. Lawrence County |
| City | Gainesville |