Multiple choice general knowledge math & puzzles ORNITHOmaniacs have an excessive interest for _____ birds animals girls bones Reveal answer Fill a bubble to check yourself A Correct answer Explanation The correct answer is A (birds). ORNITHOmania derives from the Greek 'ornis' or 'ornithos' meaning bird. Ornithology is the scientific study of birds. An ornithomaniac has an obsessive interest in birds, not animals in general, girls, or bones.