The difficult access and rocky cliffs makes this area an ideal location for a significant population of Cory's Shearwater (Calonectris diomedea borealis) and the Common tern (Sterna hirundo), that annually migrate through the Azores to nest, in addition to Capped Heron (Arrfea cinerea), the Sanderling (Calidris alba), the Kentish Plover (Charadrius alexandrinus) and other marine birds such as Seagulls.
There are 10 species that comprise 1% or more of Ramsar Convention joining requirements: Pluvialis squatarola (1%), Calidris alpina(7%), Numenius phaeopus (1%), Tringa nebularia (1%), Tringa guttifer (2%), Xenus cinereus (3%), Tringa brevipes (1%), Limosa lapponica (1%), Numenius arquata (2%), and Charadrius alexandrinus (1%).