Editing Roadkill (section)

==Distribution and abundance==
Very large numbers of mammals, birds, reptiles, amphibians and invertebrates are killed on the world's roads every day.<ref>{{cite journal |last1=Case |first1=Ronald M. |title=Interstate Highway Road-Killed Animals: A Data Source for Biologists |journal=Wildlife Society Bulletin |date=1978 |volume=6 |issue=1 |pages=8–13 |jstor=3781058 }}</ref> A Humane Society volunteer survey conducted over three Memorial Day weekends in the 1960s estimated that one million vertebrate animals are killed by vehicular traffic daily in the United States.<ref>{{cite journal |last1=Lalo |first1=Julie |title=The Problem of Roadkill |journal=American Forests |date=September–October 1987 |volume=93 |issue=9–10 |pages=50–52}}</ref><ref>{{cite news |last1=Wollan |first1=Malia |title=Using Crowds, and GPS, to Chart Roadkill |url=https://www.nytimes.com/2010/09/13/technology/13roadkill.html |work=The New York Times |date=12 September 2010 }}</ref><ref>{{cite book |first1=Andreas |last1=Seiler |first2=J-O |last2=Helldin |editor1-first=John |editor1-last=Davenport |editor2-first=Julia L. |editor2-last=Davenport |title=The Ecology of Transportation: Managing Mobility for the Environment |chapter=Mortality In Wildlife Due To Transportation |chapter-url=https://books.google.com/books?id=9o7rq6WnSXEC&q=roadkill+estimate&pg=PA166|isbn=1-4020-4503-4|access-date=14 August 2013 |year=2006 |publisher=Springer |pages=166–8}}</ref> A 2008 Federal Highway Administration report estimates that 1 to 2 million accidents occur each year between large animals and vehicles. Extrapolating globally based on total length of roads, roughly 5.5 million vertebrates are killed per day, or over 2 billion annually.<ref name ="BGL">{{cite book |last1= Jensen|first1=Derrick |last2=Keith |first2=Lierre |last3=Wilbert |first3=Max |author-link1=Derrick Jensen (activist) |date=2021 |title=Bright Green Lies: How the Environmental Movement Lost Its Way and What We Can Do About It |publisher=Monkfish Book Publishing |pages=346–347 |isbn=978-1948626392}}</ref>

The estimated number of birds killed on the roads in different European countries ranges from 350,000 to 27&nbsp;million, depending on the factors such as the geography of the country and bird migration paths.<ref>{{cite journal |last1=Erritzoe |first1=Johannes |last2=Mazgajski |first2=Tomasz D. |last3=Rejt |first3=Łukasz |title=Bird Casualties on European Roads — A Review |journal=Acta Ornithologica |date=December 2003 |volume=38 |issue=2 |pages=77–93 |doi=10.3161/068.038.0204 |doi-access=free }}</ref>