Monster from a Prehistoric Planet

Also known as "Giant Beast Gappa" and "Gappa the Triphibian Monsters" and "The Monster Movie What Bankrupted The Movie Studio." The monster beat down begins when some nosy humans decide to take a giant baby bird-reptile away from it’s home. The very large and dangerous mommy and daddy go looking for their missing offspring and decide to start the search by destroying one Japanese city after another. Will they get their little twerp back or will they destroy the planet?