So that's why dinosaurs went extinct! :)
Now how about some intervention with mosquitoes -- or better yet, the pathogens that cause our deadliest infectious diseases like pneumonia, influenza, AIDS, amoebic dysentery, gastroenteritis, tuberculosis, and malaria.
(Cartoon by Pablo F. Lobo. Click to enlarge. The Spanish text barely visible under the English translation is itself a translation credited to the Rev. Andrés O. Ayala. This Portuguese version might be the original.)