Silky Anteater (Cyclopes didactylus) La selva Biological Station. Female, the face you see is the young face. The first time I see a female with a young-. This species is very rare at La Selva. They are nocturnal and some time you can find them at day time resting within vines and leaves. They are usually found low from 1.5 to 5. They are rolled up so look like a ball of brown heirs.