Marine Mammals
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Marine Mammals
Key: Step 41. 23

23a. Beak indistinct; head small relative to body size; forehead slightly concave in front of blowhole; single pair of teeth directed forward and upward at tip of LJ (exposed only in adult males); mouthline upturned at gape; head light coloured; max. BL 7.5 m.
- Cuvier's beaked whale

Ziphius cavirostris

23b. Tube like beak distinct; pronounced bulge to steep forehead; tall, pointed DF; max. BL 10 m.
- Bottlenose whales

Step 43. 24
Decision path