La Portada remains closed due to a landslide of an important part of its cliffs, which blocked access to its beach. For this reason, a remodeling of the access route and its surroundings is planned. The natural monument constitutes an observation site for guano birds such as Peruvian booby ("Sula variegata") and Inca terns ("Larosterna inca"), as well as Guanay cormorants ("Phalacrocorax bougainvillii"), kelp gulls ("Larus dominicanus"), grey gulls ("Larus modestus"), Belcher's gulls ("Larus belcheri"), and pelicans. Occasionally one can also observe mammals such as the South American fur seal ("Arctocephalus australis") or the common dolphin ("Delphinus delphis"). La Portada is located
USS Delphinus (AF-24) USS Delphinus (AF-24) USS Delphinus (AF-24) was built in 1915 as by Workman Clark and Co., Ltd., Belfast, Northern Ireland; acquired by the U.S. Navy 11 August 1942; and commissioned the same day as "San Mateo", Lieutenant O. M. Mikkelsen, USNR, in command. She was assigned the name "Delphinus" on 22 August 1942. Departing San Francisco, California, 12 September 1942, "Delphinus" arrived at Auckland, New Zealand, 4 October. She operated from this base until the end of 1945, carrying chilled and frozen provisions to forward bases in the South Pacific and to the Society, Fiji, and Samoan Islands. After calling