Snake moms-to-be crave toxic toads
The tiger keelbacks seek out nasty snacks for poisons to pass on to offspring
![tiger keelback snake, Rhabdophis tigrinus](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/11/bo_Rhabdophis_tigrinus_IMG_6559_free.jpg?fit=860%2C460&ssl=1)
When female Rhabdophis tigrinus snakes are breeding, they seeks out toxic toads to eat. The snakes can then pass the poisons on to their offspring as chemical defenses.
Yasunori Koide/Wikimedia Commons (CC BY-SA 3.0)