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

Tui De Roy / Floreana mockingbird (Nesomimus trifasciatus) from remnant population surviving on two small islets, Galapagos. Critically endangered species.

Tui De Roy / Floreana mockingbird (Nesomimus trifasciatus) perched on flower, from remnant population surviving on two small islets, Galapagos. Critically endangered species.

Tui De Roy / Floreana mockingbird (Nesomimus trifasciatus) perched on opuntia cactus. Part of remnant population surviving on two small islets, Galapagos.

Francois Savigny / Galapagos mocking bird {Nesomimus trifasciatus} Galapagos

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus) pair courting, Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus) pair courting, Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Ross Hoddinott / Galapagos mockingbird (Nesomimus trifasciatus) calling, Genovesa Island, Galapagos, Ecuador. April.

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

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

Tim Laman / Floreana (Charles) mockingbird (Nesomimus trifasciatus). Champion Islet off Floreana (Charles) Island, Galapagos Islands. Endangered

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

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

LUKE B. BARNETT / Floreana / Charles mockingbird {Nesomimus trifasciatus} feeding on cactus, Espanola Island, Galapagos, Janaury, Endangered

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

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

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 / Española Island, Galapagos

JIM CLARE / Hood mocking birds {Nesomimus trifasciatus macdonald} attacking Masked booby chick, Galapagos

Pete Oxford / Hood Island mocking bird {Nesomimus trifasciatus macdonaldi} feeding on turtle hatchling, Hood Is, Galapagos

Tom Vezo / Hood island mockingbird {Nesomimus trifasciatus macdonald} perching in tree top, Hood Island endemic species, Galapagos.

Tom Vezo / Galapagos mockingbird calling {Nesomimus trifasciatus} Tower Islands, Galapagos

Pete Oxford / Hood island mocking birds territorial display Galapagos. {Nesomimus trifasciatus

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus) only a few hundred surviving on small cat free satellite islands, Champion Island, Galapagos Islands, Ecuador

Pete Oxford / Hood Is mockingbird {Nesomimus trifasciatus macdonald} & turtle Galapagos Islands Book page 95

Pete Oxford / Hood Is mockingbird {Nesomimus trifasciatus macdonald} feeding on baby turtle, Galapagos Islands Book page 95

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

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus) feeding on cactus flower nectar, Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Champion Islet, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Charles Mockingbird (Nesomimus trifasciatus), Champion Islet, Floreana Island, Galapagos Islands, Ecuador

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

Mark Moffett / Charles Mockingbird (Nesomimus trifasciatus) is one of the rarest birds in the world as only 40 to 60 individuals are known to exist, Floreana Island, Galapagos Islands, Ecuador

Tui De Roy / Floreana mockingbird (Mimus trifasciatus) perched on cactus flower, remnant population surviving on two small islets, Champion Islet, near Floreana Island, Galapagos Islands. January. Endangered.