Before we start, it's important to note that Chihuahuas can develop food allergies at any stage in their life. Even if they've eaten the same type of name brand dog food for years, their body chemistry could change all of a sudden, causing them to experience an allergic reaction from it.
The crew also filmed many scenes in the north of Vietnam, as well as Oahu, Hawaii. No doubt the shots of Vietnam's tangled jungles helped to establish Skull Island's authentic 1970s feel. Check out the island for yourself in the trailer for Kong: Skull Island:
Map of Skull Island appearing in 1933 King Kong. Skull Island is the name most often used to describe a fictional island first appearing in the 1933 film King Kong and later appearing in its sequels, the three remakes, and any other King Kong-based media.