Forrer, Alphonse

Alphonse Forrer was a noted naturalist, zoological collector, and student of ethnography, best known for amassing extensive collections of specimens from western Mexico and the western United States. Active during the late nineteenth century, his fieldwork made important contributions to the study of Neotropical biodiversity, and many animal and insect taxa were later named in recognition of his efforts.

Although sources variously describe him as either English-born or Swiss-born, Forrer emigrated to the United States while still a young man. When the American Civil War began in 1861, he enlisted in the Union Army. In 1865, he was commissioned by the British Museum to collect zoological material throughout western Mexico and parts of the American West, a pursuit he continued well into the 1880s. In addition to his work for the British Museum, Forrer operated independently, supplying specimens to leading scientific institutions across Europe. He crossed the Atlantic on four occasions to distribute collections to organizations including the Hungarian Natural History Museum and Göttingen University. Through his meticulous collecting and cataloguing efforts, Forrer substantially expanded scientific knowledge of global biodiversity. His legacy is reflected in numerous species that bear the name forreri, including the Black-headed Siskin subspecies (Spinus notatus forreri), the Yellow-green Vireo subspecies (Vireo flavoviridis forreri), the hummingbird taxon Amazilia forreri, the butterfly Memphis forreri, and several Neotropical bee species represented in European museum collections.