[throw0101d]

They are (statistically) rare, but not one-off:

* https://en.wikipedia.org/wiki/Coyote_attack

Currently (in Toronto) the attacks are generally against dogs/cats, but chasing of humans has been reported:

* https://www.cbc.ca/news/canada/toronto/toronto-coyote-action...

* https://www.hawkeye.ca/blog/toronto-coyote-increase

[albedoa]

"One-off stories" is plural. You might argue that it is then an oxymoron in the absence of context, but the person you are replying to is clearly contrasting one-off stories with a general pattern.