Mexican Bird Butting Out Parasites

[BetCrooks]

There's an article on the CBC news site about some nesting birds in Mexico that are using chemical warfare against parasites.
http://www.cbc.ca/radio/quirks/wildfires-birds-cigarette-butts-chimp-muscles-night-shifts-dna-1.4182500/city-birds-use-cigarette-butts-to-ward-off-ticks-1.4182517

http://www.cbc.ca/radio/quirks/wildfire ... -1.4182517

[Dr. John]

I heard this on the radio and found it quite fascinating.