BROWNSVILLE, Texas -- U.S. Border Patrol agents found a live tiger cub inside a duffel bag after they saw three people trying to enter the country illegally, CBS Houston affiliate KHOU-TV reports. Agents said they were working near the Rio Grande Monday when they saw the three try to come into the U.S. One was carrying a small, black duffel bag but left it behind when they returned to Mexico.

Inside the bag, agents found the male tiger cub. It appeared to be about 3 or 4 months old.

The cub was brought to the Gladys Porter Zoo in Brownsville.

Border Patrol agents carrying duffel bag they say was left behind by 3 people who carried it into U.S. from Mexico on April 30, 2018 and the tiger cub they say they was found inside; the cub was expected to make a full recovery KHOU-TV

Irma Chapa, the Communications Director for the RGV Sector of the United States Border Patrol, provided an updated photo of the cub on Twitter Monday night.

She said the rescued tiger cub is expected to make a full recovery after it was saved by the Brownsville Border Patrol.