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A naturalist's field guide in your pocket — snap a photo of a bone and learn its name, evolutionary history, and how it compares across species
Recent Bone Identifications
Explore bones recently identified by our AI-powered scanning system
Ulna — Long Bone; appendicular skeleton (limb)
Pelvis (Innominate Bone) — Irregular bone; part of the appendicular skeleton (limb support)
Innominate bone (fossilized fragment) — Irregular bone belonging to the appendicular skeleton (limb support system)
Neurocranium (Fragment) — Flat bone; part of the axial (core) skeleton.
Vertebra fragment — This is an Irregular Bone belonging to the axial skeleton, which forms the central pillar of the bod...
Humerus — Long bone of the limb (appendicular) skeleton
Metatarsal — Long bone; part of the limb (appendicular) skeleton
Tibia — Long Bone; Part of the Limb (Appendicular) Skeleton
Molar — Specialized dental tissue (often recovered with the jaw, which belongs to the axial skeleton)
Mandible (fragment) — Irregular bone; part of the axial skeleton (skull)
Mandible — Irregular bone; part of the axial (core) skeleton
Cervical Vertebra — Irregular Bone; part of the axial (core) skeleton.
Cranium (Skull capsule) — Irregular and flat bones fused together; part of the axial skeleton (core).
Thoracic Vertebra — Irregular Bone; part of the axial (core) skeleton
Cranium — Irregular bone; part of the axial (core) skeleton.
Metapodials (specifically a Metacarpal or Metatarsal) — Long Bone; part of the limb (appendicular) skeleton
Metapodial (Metacarpal or Metatarsal) — Long bone; part of the limb (appendicular) skeleton.
Metatarsal — Long bone; part of the limb (appendicular) skeleton.
Metapodial (Metacarpal or Metatarsal) — Long bone; part of the limb (appendicular) skeleton.
Cuttlebone — Internal shell (Pneumatic structure), part of the buoyancy system of a cephalopod
Cranium — Irregular bone; part of the axial (core) skeleton
Cranium — Irregular bone; part of the axial skeleton
Vertebra — Irregular Bone and part of the axial skeleton (the core framework of the body).
Thoracic Vertebra — Irregular Bone, Axial Skeleton
Axis Vertebra — Irregular bone, part of the core (axial) skeleton
Femur (Fragmentary) — Long Bone (Appendicular Skeleton)
Femur — Long Bone (Appendicular Skeleton)
Femur — Long Bone; specifically part of the appendicular (limb) skeleton.
Axis Vertebra — Irregular Bone; part of the axial (core) skeleton
Vertebra — Irregular bone, part of the axial (core) skeleton
Axis (Second Cervical Vertebra) — Irregular bone, part of the core (axial) skeleton
Cranium — Irregular Bone; part of the axial skeleton (the central core)
Humerus (Upper End) — Long Bone, part of the appendicular skeleton (the limbs).
Rib bone — Flat bone; part of the axial (central core) skeleton
Tibia — Long Bone; part of the limb (appendicular) skeleton.
Ulna and Radius — Long bones, part of the limb (appendicular) skeleton
Thoracic Vertebra — Irregular Bone; Axial Skeleton
Femur — Long Bone; limb (appendicular) skeleton
Femur — Long Bone; Limb (Appendicular) Skeleton
Metapodial (Metatarsal or Metacarpal) — Long bone, Appendicular skeleton (limb)
Axis (Second Cervical Vertebra) — Irregular Bone; part of the axial skeleton (the central core of the body).
Thoracic Vertebra — Irregular bone, Axial skeleton (Central core)
AI-Powered Bone Identification
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Instant Bone Scanning
Snap a photo of any bone and get a naturalist-style field-guide entry with its name, classification, and identification cues
Field-Guide Entries
Browse the essentials you'd find in a naturalist's reference: name, classification, key visual features, and typical dimensions
Evolutionary History
Explore the deep-time story behind each bone — how it evolved and took its current shape across the lineage
Across Species
Compare the same bone across horses, birds, whales, and other animals — and see how evolution has adapted it
Similar Bones
Learn which bones a beginner might confuse with this one, and the visual cues that tell them apart
Photography Tips
Get practical tips on angles, lighting, and scale for photographing a specimen for identification
How Bone Identifier Works
Three simple steps to identify any bone
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AI Identification
Our AI analyzes the photo and identifies the bone, producing a naturalist-style field-guide entry
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