Did animals emit radio waves just like humans emit infrared ?

 Of course yes ! As we like emit infrared radiation same as animal also emit.

Why animal also emit radiation like human ?

first of all we try to know that what is the difference between animal and human.!

i)  Human is intelligent than animals.

ii) Animals are so stronger than human.

But both have physical body like 1) Bones

                                                     2) Blood

                                                     3) Cell

                                                     4) Skin

                                                     5) Brain...etc

So thats why animals also emits radio waves just like humans emit infrared radiation.