Andy Rouse / Espanola mockingbird, (Mimus macdonaldi), on beach, Galapagos

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) on beach, Galapagos

Tim Laman / Espanola (Hood) mockingbird (Nesomimus macdonaldi) standing on a Marine iguana (Amblyrhynchus cristatus), Espanola Island (Hood Island), Galapagos Islands.

Tui De Roy / Espaņola mockingbird (Mimus macdonaldi) watching potentional prey, a Galapagos centipede (Scolopendra galapagoensis), Espaņola Island, Galapagos, South America.

Tui De Roy / Espaņola mockingbird (Mimus macdonaldi) running, Espaņola Island, Galapagos, South America. Long exposure.

Doug Wechsler / Espanola mockingbird (Mimus macdonaldi) perched on Marine iguana (Amblyrhynchus cristatus) Espanola Island, Galapgos.

Alex Mustard / Tourist photographs an Espagnola mockingbird (Mimus macdonaldi) that has landed on her boot. Espagnola Island, Galapagos National Park, Galapagos Islands. Model released.

Roy Mangersnes / Espanola mockingbirds (Nesomimus macdonaldi) aggression between two groups, Espanola Island, Galapagos.

Roy Mangersnes / Espanola mockingbird (Nesomimus macdonaldi) on the beach at Espanola Island, Galapagos.

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) on beach, Galapagos

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) on beach, Galapagos

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) on beach, Galapagos

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) foraging on beach, Galapagos

Tui De Roy / Espanola mockingbirds (Mimus macdonaldi) foraging on beach, Galapagos

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) investigating camera equipment on beach, Galapagos

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) sitting on Marine iguana (Ambylyrhynchus cristatus) with red blotches caused by the seaweed it has eaten. Galapagos

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) standing by Marine iguana (Ambylyrhynchus cristatus) with red blotches caused by the seaweed it has eaten. Galapagos

Visuals Unlimited / Espanola / Hood Mockingbird (Mimus macdonaldi), territorial display, Gardner Bay, Galapagos.

Visuals Unlimited / Espanola / Hood Mockingbird (Mimus macdonaldi), territorial display, Gardner Bay, Galapagos.

Tui De Roy / Espanola /Hood mockingbird (Mimus macdonaldi) feeding on Cordia lutea berry, Espanola Island, Galapagos

Tui De Roy / Espanola / Hood mockingbird, digging around beach plat roots to find insects, Espanola Island, Galapagos

Tui De Roy / Espanola / hood mockingbird (Mimus macdonaldi)young 'helpers' being submissive to older bird, Espanola Island, Galapagos

Staffan Widstrand / Hood / Espaniola Mockingbird (Nesomimus macdonaldi) perched on a rock with Swallow Tailed Gull (Creagrus furcatus) in the background. Punta Suarez, Espaniola, Galapagos, Ecuador, April.

Juan Carlos Munoz / Espanola mockingbird {Nesomimus macdonaldi} Espanola Island, Galapagos, January

Pete Oxford / Hood Island Mockingbird (Nesomimus trifasciatus macdonaldi) Punta Cevallos, Espa?? / Hood Island, Galapagos Islands

Tim Laman / Espanola (Hood) mockingbird (Nesomimus macdonaldi) standing on a camera tripod. Espanola (Hood) Island, Galapagos Islands.

Tim Laman / Espanola (Hood) mockingbird (Nesomimus macdonaldi) standing on a Marine iguana (Amblyrhynchus cristatus), Espanola Island (Hood Island), Galapagos Islands.

Pete Oxford / Hood Island mockingbird (Nesomimus trifasciatus macdonaldi) beside feet of tourist, Hood / Espanola Island, Galapagos

Pete Oxford / Hood Island mockingbird (Nesomimus trifasciatus macdonaldi) beside feet of tourist, Hood / Espanola Island, Galapagos

Pete Oxford / Hood Island mockingbird {Nesomimus trifasciatus macdonald} Hood / Espa?? Island, Galapagos

Nick Upton / Hood island mocking bird {Nesomimus t macdonaldi} sucks blood from Nazca booby (Sula granti) Espanola, Galapagos

Nick Upton / Hood island mocking birds (Nesomimus trifasciatus macdonaldi) sucking blood from Nazca booby (Sula granti) chick, Galapagos

Nick Upton / Hood island mocking birds (Nesomimus trifasciatus macdonaldi) feeding on Nazca booby (Sula granti) eggs, Galapagos

Tui De Roy / Galapagos Mockingbird (Nesomimus parvulus) on Saddleback Galapagos Tortoise (Chelonoidis hoodensis), Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) family in territorial confrontation called a 'flick fight', Gardner Bay, Espanola Island, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) family in territorial confrontation called a 'flick fight', Gardner Bay, Espanola Island, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) family in territorial confrontation called a 'flick fight', Gardner Bay, Espanola Island, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi), Galapagos Islands, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) digging around roots to find insects, Galapagos Islands, Ecuador

Pete Oxford / Hood Mockingbird (Nesomimus macdonaldi), Hood Island, Galapagos Islands, Ecuador

Pete Oxford / Hood Mockingbird (Nesomimus macdonaldi) pair, vulnerable, Espanola Island, Galapagos Islands, Ecuador

Pete Oxford / Hood Mockingbird (Nesomimus macdonaldi) pair arguing, vulnerable, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) feeding on abandoned Albatross egg, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) feeding on abandoned Albatross egg, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) feeding on abandoned Albatross egg, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Paul D Stewart / Two Galapagos Mockingbirds (right, upper from Espanola lower from San Cristobal), three Galapagos finch species (upper left) and Yellow Warbler (gold, lower left), from the collection of the Charles D...

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) looking at centipede, Gardner Bay, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Hood Mockingbird (Nesomimus macdonaldi) pair fighting, Punta Suarez, Espanola Island, Galapagos Islands, Ecuador