The world's largest frogs are carnivores, but when these giant frogs were tadpoles, they were super picky eaters and only ate a water plant that was a specialty of local waters
Sloth monkeys, the world's only poisonous primates
It happens to be the season when mosquitoes and flies go wild, but it is true that there are not as many flies as there are mosquitoes today. This has a lot to do with our improved sanitation today, after all, flies need to lay their eggs on manure pits and rotting food, while many rural toilets have now been converted to squatting, and the shorter disposal cycle for waste has greatly reduced their hatching.