He said he had already released 400 froglets at this location over the past month and each needed to be carefully placed, by hand, next to pre-identified burrows in the ground that gopher frogs need for safety and survival.

Source: https://www.postandcourier.com/environment/with-growing-subdivisions-and-drought-is-it-too-late-to-recover-the-goldilocks-frog/article_aff42fc8-0627-11ee-8f13-57539b227266.html