TIL that fish eggs can survive after passing through a waterfowl's digestive system. This provides a good explanation of how fish can populate closed bodies of water like lakes

https://www.pnas.org/doi/10.1073/pnas.2004805117
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1g2pa9r/til_that_fish_eggs_can_survive_after_passing/