DALLAS (AP) — Researchers say a pack of wild canines found frolicking near the beaches of the Texas Gulf Coast carries a substantial amount of red wolf genes, a surprising discovery because the animal was declared extinct in the wild nearly 40 years ago.

The finding has led wildlife biologists and others to develop a new understanding that the red wolf DNA is remarkably resilient after decades of human hunting, loss of habitat and other factors had led the animal to near decimation.

"Overall, it's incredibly rare to rediscover animals in a region where they were thought to be extinct and it's...