Fish, Snake
Jaguars have external ears.
Yes, all primates have external ears.
Yes. All primates have external ears.
Yes. The platypus has ears, and an acute sense of hearing. Platypuses have no external earlobes, so in that sense they have invisible ears. They have external openings to the ear which are located either side of the base of the jaw.
Yes, they do, but not all of them are drawn with large external ears.
Yes. Wombats have clearly visible external ears.
yes
Not external ears like we do. They are probably about the same as those of a lizard.
yes, the have an external covering to protect from water infiltration
yes
Snakes and fish are examples of animals that lack external ears.
Yes, but they have no external ear structure.