• ✓Giant, wingspan about 10 m
• ✓Huge, very broad and robust head, deep thick toothless beak
• ✓Short, thick, muscular neck, clearly shorter than in Quetzalcoatlus
• ✓Walking on all fours, wings folded against the body, standing on the hands with the folded wing finger pointing up and back
• ✕Wings of skin stretched from a very long fourth finger to the ankle, three small clawed fingers at the front of each wing; not bat or feathered wingsThe folded wing looks like a triangle separate from the front limb; the wing finger is not clearly joined to the arm
• ✓Very short tail
• ✓Head, neck and body covered in short hair-like fuzz (pycnofibres), not scales and not bird feathers
• ✓Whole animal visible in side view
• ✓Riverbank on Late Cretaceous Hațeg Island with conifers, ferns and cycads, no grass
• ✓Only this one species; no dinosaurs, text, people or modern objects

Checked by Claude Opus 5.5 (checked item by item from the image) on Nov 3, 2026. The score is the share of checklist items the image gets right; it is not an expert scientific review.

Prompt used to create the image

Scientifically accurate paleoart of Hatzegopteryx, a giant azhdarchid pterosaur (a flying reptile, not a dinosaur) from the latest Cretaceous (Maastrichtian, about 66 million years ago) of Hațeg Island, Romania. Anatomy: a giant, wingspan about 10 m; a huge, very broad and robust skull with a deep, thick, toothless beak; a short, thick, muscular neck, much shorter and sturdier than in other giant azhdarchids such as Quetzalcoatlus; walking on all four limbs on the ground like a giant stork, wings folded tightly against the body, standing on the hands with the folded wing finger pointing up and back; wings are membranes of skin stretched from a hugely elongated fourth finger back to the ankle, with three small clawed fingers free at the front of each wing; not bat wings, not feathered wings; a very short tail; head, neck and body covered in short hair-like pycnofibres (fuzz), not scales and not bird feathers. Full body in side view, whole animal visible, on a riverbank on Hațeg Island in the Late Cretaceous, a warm forested island with conifers, ferns and cycads, no grass. Natural history museum illustration style, realistic textures and natural daylight, muted natural colors. Only this one species; no dinosaurs, no text, no labels, no humans, no boats, no modern objects.

Facts in the prompt come from Wikipedia (en) and Paleobiology Database