City Nature Challenge 2018, Malibu Lagoon State Beach, California - April 2018 May 01, 2018 beach birds Brown Pelican CA CA state parks California citizen science City Nature Challenge lagoons limpets Malibu Malibu Lagoon migration ocean PCH sea sea hares sea slugs tide pools +
Abalone Cove tide pool extravaganza - November 2011 December 03, 2011 Abalone Cove anemone bat stars beach California crabs limpets ocean octopus Rancho Palos Verdes sea sea hares sea slugs sea stars starfish tide pools urchin +
Tide Pools at White Point - September 2009 September 10, 2009 anemone barnacles beach California crabs nudibranchs ocean Rancho Palos Verdes San Pedro sea sea slugs sea stars Spanish Shawl starfish tide pools urchin White Point +