Legend of Dinosaurs & Monster Birds

Legend of Dinosaurs & Monster Birds , also known in the U.S. as The "Legend of Dinosaurs", is a 1977 Japanese kaiju science fiction film produced and distributed by Toei Company. The film was initially unsuccessful in Japan, but later became an overseas blockbuster in the Soviet Union.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.