Frog goes extinct, media yawns, Endangered species
Asteroid strike that wiped out the dinosaurs triggered giant leap forward in frog evolution - Mirror Online
Frog - Wikipedia
After dinosaur extinction, frogs hopped to it - Futurity
90% of frog species descended from meteor survivors
What characteristics did mammals have that allowed them to survive when the the dinosaurs died out? - Quora
New study says dinosaur-dooming asteroid struck Earth at 'deadliest possible' angle, Earth
5 Fun Frog Facts
Why Frogs Survived the Asteroid That Wiped Out the Dinosaurs, Science
How dinosaur extinction boosted the evolution of frogs
10 Cretaceous Animals That Weren't Dinosaurs