Head to head
Mediterranean Monk Seal vs Hawaiian Monk Seal
The Mediterranean monk seal and Hawaiian monk seal are the only two monk seal species left on Earth following the extinction of the Caribbean monk seal, each critically endangered in its own distinct way.
| Mediterranean Monk Seal | Hawaiian Monk Seal | |
|---|---|---|
| Scientific name | Monachus monachus | Neomonachus schauinslandi |
| Range | Scattered remnant Mediterranean and NE Atlantic sites | Endemic to the Hawaiian archipelago |
| Breeding behaviour | Almost exclusively in hidden sea caves | On open beaches |
| Dedicated rescue programme | Limited, regionally organised | Yes, active and centralised |
| Population trend | Increasing slightly | Increasing |
| Conservation status | Endangered | Endangered |
| Sensitivity to disturbance | Extremely high | High |
| Diet | Carnivore | Carnivore |
Mediterranean Monk Seal vs Hawaiian Monk Seal: common questions
Are the Mediterranean monk seal and Hawaiian monk seal the last two monk seal species?
Yes, these two species are the only monk seal species remaining on Earth following the extinction of the Caribbean monk seal in the 20th century, making both of them genuinely critical conservation priorities as the last living representatives of their entire group.
Why does the Mediterranean monk seal give birth in caves while the Hawaiian monk seal does not?
The Mediterranean monk seal shifted to breeding almost exclusively inside hidden sea caves as a response to intense historical disturbance and persecution along more accessible Mediterranean coastlines, while the Hawaiian monk seal, breeding within the more remote and less disturbed Hawaiian archipelago, has continued to use open beaches for pupping.
Which monk seal has a more active conservation programme?
The Hawaiian monk seal benefits from a more centralised, government-backed rescue and rehabilitation programme focused on a single island chain, while conservation efforts for the more geographically scattered Mediterranean monk seal are organised more regionally across its several small, isolated remnant populations.