Whenever they need to ! There is no set number of times a day !
Daily activities and adequete foods makes a person heallthy.A normal & healthy person should defecate twice a day.
At least daily
As often as he wants to.
A cow can defecate up to 15 times a day. Normally, a cow will defecate around 10 times a day.
24 hours.
The average is three times a day as puppy's need to be fed three times a day. But as they get older they should only have food two times a day.
Birds don't know what a car is, they just need to defecate. Also, they often defecate as they fly so their poop falls just anywhere.
Zebras don't "go to the bathroom" that's a human thing. Zebras urinate or defecate probably 5 to 10 times a day, and urinate and defecate just like any animal, mammal or horse would.
A healthy cat uses the litter box a few times a day (like, 2 or 3 times a day). They usually defecate every day, or sometimes every other day, and they urinate maybe twice a day.
Horses defecate while doing whatever they were doing when the 'urge' hit them. If they were standing still, then yes, they stand still. If they were walking, then they walk when they defecate. If horses are alarmed, they often defecate while running away.
They will often defecate (crap) on whatever is holding them and release a foul odor.