: From a purely biological standpoint, goats (Capra aegagrus hircus) and humans (Homo sapiens) are not compatible for reproduction. They have a different number of chromosomes, which makes successful fertilization and development of offspring impossible. Moreover, the genetic differences between species make it biologically improbable for such a union to result in viable offspring, even if artificial reproductive technologies were used.
: The inclusion of "fucking" seems to suggest a possible idiomatic, slang, or explicit context, which might not be suitable for a general information discussion.
: Sometimes, animals are used symbolically or metaphorically in stories, sayings, or teachings. For example, a goat and a buffalo might represent different qualities or characteristics in a parable.