Male Magnificent Frigatebird (Fregata magnificens) with inflated gular sac, North Seymour Island, Galapagos National Park, Ecuador, South America

Male Magnificent Frigatebird (Fregata magnificens) with inflated gular sac, North Seymour Island, Galapagos National Park, Ecuador, South America

Male Magnificent Frigatebird (Fregata magnificens) with inflated gular sac, North Seymour Island, Galapagos National Park, Ecuador, South America

Male Magnificent Frigatebird (Fregata magnificens) with inflated gular sac, North Seymour Island, Galapagos National Park, Ecuador, South America

Great Frigatebird (Fregata minor), male, with inflated throat pouch, portrait, Genovesa Island, Galapagos, Ecuador, South America

Great Frigatebird With Inflated Gular Sac

Great frigatebird (Fregata minor) male displaying, Isla Genovesa, Galapagos Islands

Great frigatebird (Fregata minor) males displaying, Isla Genovesa, Galapagos Islands

Great frigatebird (Fregata minor) male displaying, Isla Genovesa, Galapagos Islands

Portrait of Magnificent frigatebird (Fregata magnificens). Galapagos Islands. Birds. Ecuador.

Magnificent frigatebird (Fregata magnificens) is sitting on bush branches. Galapagos Islands. Birds. Ecuador.

Magnificent frigatebird (Fregata magnificens) is sitting on a nest. Galapagos Islands. Birds. Ecuador.

Male Great Frigatebird, North Seymour Galapagos

Magnificent frigatebird (Fregata magnificens) is sitting on a nest. Galapagos Islands. Birds. Ecuador.