1st in vitro Puerto Rico crested toad gives scientists hope

SAN JUAN, Puerto Rico (AP) — A critically endangered Puerto Rican toad has for the first time been born via in vitro fertilization as U.S. scientists attempt to save it from extinction.
Officials told The Associated Press Friday that the Puerto Rican crested toad — named Olaf in honor of the frozen semen he came from — is one of more than 300 that hatched.
Fort Worth Zoo ectotherm curator Diane Barber said Olaf will remain in Texas but 200 toadlets will be released in Puerto Ri