Head to head
Spade-toothed Whale vs Hector's Beaked Whale
Spade-toothed Whale
VS Hector's Beaked Whale
Both whales belong to the same Mesoplodon genus and remain almost entirely unstudied alive, but their claims to obscurity differ.
| Spade-toothed Whale | Hector's Beaked Whale | |
|---|---|---|
| Scientific name | Mesoplodon traversii | Mesoplodon hectori |
| Rarity | One of the rarest mammal species on Earth | One of the smallest beaked whale species |
| Documentation | Only a handful of confirmed specimens | A limited number of strandings |
| Distinguishing feature | A spade-shaped tooth | Small teeth visible only in adult males |
| Conservation status | Data Deficient | Data Deficient |
| Population trend | Unknown | Unknown |
| Taxonomic history | Long mistaken for other species | Not documented as similarly confused |
| Habitat | Ocean | Ocean |
Spade-toothed Whale vs Hector's Beaked Whale: common questions
Which one is considered one of the rarest mammals on Earth?
The spade-toothed whale holds this distinction, with only a handful of confirmed specimens ever documented, rarer even than Hector's beaked whale.
Which one is one of the smallest beaked whales?
Hector's beaked whale holds this distinction, one of the smallest members of its genus, more compact than the spade-toothed whale.
Which one was long mistaken for other species before being confirmed distinct?
The spade-toothed whale was mistaken this way, with stranded specimens long assumed to belong to already-known species until genetic testing proved it was something new.