How Many Vaquita Are Left In The World 2025. Unlike in 2023 no newly born calves were seen, but one healthy yearling was seen. Here, in this small, seemingly serene region, the world’s most endangered marine mammal, the vaquita porpoise, faces imminent extinction.
The vaquita is the most endangered cetacean in the world. The vaquita is a small porpoise endemic to the sea of cortez in the upper gulf of california in mexico.