Miguel Carlos Francisco Alvarez del Toro (1917–1996) was a Mexican Biologist who worked in the state of Chiapas as head of the Institute of Natural History. He married Clementina Pérez.
He was the first Mexican conservationist.
He was born in Colima, Mexico. He later travelled to Mexico City with his family. He worked there as the director of a natural history museum. He was later hired by the government of Chiapas and moved to that state. Due to his close contact and friendship with politicians he became prominent and well-funded.
Alvarez del Toro is the author of the following books: Los Reptiles de Chiapas (1960), Los Crocodylia de México (1974), Los Animales Silvestres de Chiapas (1952), ¡Así era Chiapas! (1985), Las Aves de Chiapas (1971), Arañas de Chiapas (1992), Chiapas y su biodiversidad (1993), and Comitán, una puerta al sur (1994).
The ZOOMAT (Zoologico Miguel Alvarez del Toro), a zoo, is named after him.
Environmentalist group Fundacion Chiapaneca Miguel Alvarez del Toro para la Proteccion de la Naturaleza is also named after him.
The following species have been named after him:
Anolis alvarezdeltoroi
Coniophanes alvarezi
Trogolaphysa toroi
Pulex alvarezi
Lepidophyma alvarezi
Cryptotriton alvarezdeltoroi
Ceratozamia alvarezii