venom vs animal toxin

venom and animal toxin both are nouns.

Word	Noun	Adjective	Verb	Adverb
venom	Yes	No	No	No
animal toxin	Yes	No	No	No

As nouns, animal toxin is a hypernym of venom; that is, animal toxin is a word with a broader meaning than venom:

venom: toxin secreted by animals; secreted by certain snakes and poisonous insects (e.g., spiders and scorpions)
animal toxin: a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals

Other hypernyms of venom include zootoxin.

venom (noun)	animal toxin (noun)
feeling a need to see others suffer	a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals
toxin secreted by animals; secreted by certain snakes and poisonous insects (e.g., spiders and scorpions)