Their butt, like most animals
Yes. Like all animals, they can, do and must.
It is not known what dog poop constitute of. However, dog poop, animals or humans poop usually constitute of what they eat like the type of food that eat.
All animals poop
Yes, just like all animals, including humans, do.
probably mouse
some people like to poop on logs
all animals do! all animals do!
Yes of course whales poop! All animals poop even the ones in the sea. I hope that answers your strange question. Their poop doesn't look like poop at all strangely - it's a reddish pink - the colour of the krill it eats (the only thing it eats!)
Yes of course they can!
they poop in it
Some animals eat poop an a regular basis. Herbivores such as rabbits and rodents eat poop to help digest their diet of plants. Another reason is that some animals eat poop for the vitamins produced by intestinal bacteria. A third reason is that animals such as dogs and flies eat poop as a source of protein.