Unlike humans, who absorb vitamin D from the sun through their skin, which is then converted into vitamin D3, bird’s feathers prevent the sun from hitting their skin directly. So, in order to absorb vitamin D, they “preen” themselves: this allows them to orally ingest the vitamin. Once ingested, it is then further broken down by the body, where …
Is it normal for birds to sneeze? Or an indication of illness?
“I just got a new puppy, and I’ve had her for four days. She’s been perfectly fine. But suddenly, she became weak this morning…”
Do penguins have knees?
“”She is quite rounded…”
Why Do Cats Go Completely Bonkers After Pooping?