Irish Wolfhound
"Our Old Generator Storage Structure On Montana’s Eastern Front Has Become Brutus’s Personal Scratching Tree"
"The Giant Maine Coon Cat"
"The Cecropia Moth, Largest Moth In North America, Has A Wingspan Between 5-7 Inches (13-18 Cm)"
"In Case You Haven't Seen One, This Is A Percheron! 5'5" Human For Scale"
"Roger's Favorite Game Is Crushing His Feed Bucket! He Is Our Alpha Male Kangaroo, He Is 10 Years Old, Height 6'7'', Weight 200 Pounds And 100% Muscle"
"My Pet, The Giant Hooded Katydid. He’s Bigger Than My Hand"
"I'm An Evolutionary Geneticist Who Studies Hybridization. This Is Apollo The Liger, The Most Beautiful And Adorable Wild Cat I've Met. Humans For Spatial And Size Perspective"
"My Baby, Me, And My Sister’s Draft Mule"
"Absolute Lad Of A Tortoise"
"Just Found Out About The Existence Of The Giant Oarfish"
"Found This Huge Jellyfish On The East Coast Of Australia"
That's probably not a pet, it's livestock...