puppyleaks.com

p81Nb TIL that female dogs are more responsible for dead grass spots than males due to congealed nitrogen from squatting to pee opposed to lifting a leg and spreading it out.
PYxkV TIL that bulldogs are incapable of reproducing naturally, their anatomy is messed up from humans breeding them so much that all bulldog puppies must be delivered via c-section.
KO6O4 TIL that just like humans, dogs have an oil on their bodies that converts to vitamin d when exposed to the sun. Unlike humans dogs cannot absorb this oil, and must instead invest it via licking and grooming.