Mediterranean Monk Seal In this section African Lion Blue Whale Giant Panda Mediterranean Monk Seal Mountain Gorilla Orange-Bellied Parrot Polar Bear Protected World Terms & Conditions Tiger HABITAT: MEDITERRANEAN The Mediterranean monk seal is one of the world’s most endangered marine mammals, with fewer than 600 remaining in the wild. Averaging 2.4m in length (nose to tail), the Mediterranean monk seal is believed to weigh 250-300kg. Monk seals are named for their folds of skin that resemble a monk’s robe. Adult males are black, while adult females are generally brown or grey. Click here to download your colouring sheet.