Four pups of a critically endangered species of wolf have been born at Lincoln Park Zoo in Chicago.

The zoo says in a news release that the two male and two female red wolf pubs were born April 13 — the first new litter or red wolf pups at the zoo in nearly a decade.

Curator Dan Boehm says the arrival of the pups comes at a time when scientists estimate there are fewer than 30 red wolves left in their native habitat of North Carolina.

In this April 15, 2019 photo provided by the Lincoln Park Zoo, a zoo employee holds one of four red wolf pups born at the Chicago, Ill., zoo on April 13. Curator Dan Boehm says the arrival of the pups come at a time when scientists estimate there are fewer than 30 red wolves left in their native habitat of North Carolina. The wolves, named for their red-tinged fur, have over the years been driven to the brink of extinction by hunting and the zoo is taking part with other zoos in a Red Wolf Species Survival plan to increase the red wolf population. They are the first new litter or red wolf pups at the zoo in nearly a decade. (Christopher Bijalba/Lincoln Park Zoo via AP)
In this April 15, 2019 photo provided by the Lincoln Park Zoo, a zoo employee holds one of four red wolf pups born at the Chicago, Ill., zoo on April 13. Curator Dan Boehm says the arrival of the pups come at a time when scientists estimate there are fewer than 30 red wolves left in their native habitat of North Carolina. The wolves, named for their red-tinged fur, have over the years been driven to the brink of extinction by hunting and the zoo is taking part with other zoos in a Red Wolf Species Survival plan to increase the red wolf population. They are the first new litter or red wolf pups at the zoo in nearly a decade. (Christopher Bijalba/Lincoln Park Zoo via AP)

The wolves — named for their red-tinged fur —have over the years been driven to the brink of extinction by hunting. The zoo is taking part with other zoos a Red Wolf Species Survival plan to increase the red wolf population.

In this April 15, 2019 photo provided by the Lincoln Park Zoo, a zoo employee handles one of four red wolf pups born at the Chicago, Ill., zoo on April 13. Curator Dan Boehm says the arrival of the pups come at a time when scientists estimate there are fewer than 30 red wolves left in their native habitat of North Carolina. The wolves, named for their red-tinged fur, have over the years been driven to the brink of extinction by hunting and the zoo is taking part with other zoos in a Red Wolf Species Survival plan to increase the red wolf population. They are the first new litter or red wolf pups at the zoo in nearly a decade. (Christopher Bijalba/Lincoln Park Zoo via AP)
In this April 15, 2019 photo provided by the Lincoln Park Zoo, a zoo employee handles one of four red wolf pups born at the Chicago, Ill., zoo on April 13. Curator Dan Boehm says the arrival of the pups come at a time when scientists estimate there are fewer than 30 red wolves left in their native habitat of North Carolina. The wolves, named for their red-tinged fur, have over the years been driven to the brink of extinction by hunting and the zoo is taking part with other zoos in a Red Wolf Species Survival plan to increase the red wolf population. They are the first new litter or red wolf pups at the zoo in nearly a decade. (Christopher Bijalba/Lincoln Park Zoo via AP)
In this April 15, 2019 photo provided by the Lincoln Park Zoo, a zoo employee handles one of four red wolf pups born at the Chicago, Ill., zoo on April 13. Curator Dan Boehm says the arrival of the pups come at a time when scientists estimate there are fewer than 30 red wolves left in their native habitat of North Carolina. The wolves, named for their red-tinged fur, have over the years been driven to the brink of extinction by hunting and the zoo is taking part with other zoos in a Red Wolf Species Survival plan to increase the red wolf population. They are the first new litter or red wolf pups at the zoo in nearly a decade. (Christopher Bijalba/Lincoln Park Zoo via AP)
In this April 15, 2019 photo provided by the Lincoln Park Zoo, a zoo employee handles one of four red wolf pups born at the Chicago, Ill., zoo on April 13. Curator Dan Boehm says the arrival of the pups come at a time when scientists estimate there are fewer than 30 red wolves left in their native habitat of North Carolina. The wolves, named for their red-tinged fur, have over the years been driven to the brink of extinction by hunting and the zoo is taking part with other zoos in a Red Wolf Species Survival plan to increase the red wolf population. They are the first new litter or red wolf pups at the zoo in nearly a decade. (Christopher Bijalba/Lincoln Park Zoo via AP)

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