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It's a girl! Berlin zoo's baby polar bear has 1st checkup

Published
A little female polar bear watches the camera after its first examination by the animal doctors at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo.  (Steffen Freiling/Berlin Zoo via AP)

BERLIN (AP) — Berlin's Tierpark zoo says its latest baby polar bear is "a perky, strong girl."

Keepers and vets were able to separate the 11-week old bear from mother Tonja for the first time to conduct a medical checkup, during which they also determined the cub's sex.

The zoo said Friday that the as yet unnamed bear weighs 8.5 kilograms (18.7 pounds) and is 61 centimeters (24 inches) from head to tail.

Tonja's last two cubs died within months of birth and keepers caution that the mortality rate for young polar bears can be quite high.

Animal doctor and zoo director Andreas Knieriem, center, and animal doctor Guenter Strauss, left, examine a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)
Animal doctor and zoo director Andreas Knieriem examines for the first time a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)
Animal doctor and zoo director Andreas Knieriem examines for the first time a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo.  (Steffen Freiling/Berlin Zoo via AP)
A little female polar bear watches the camera after its first examination by the animal doctors at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo.  (Steffen Freiling/Berlin Zoo via AP)
Animal doctor and zoo director Andreas Knieriem examines for the first time a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)
Animal doctor and zoo director Andreas Knieriem examines for the first time a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)
Animal doctor and zoo director Andreas Knieriem examines for the first time a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo.  (Steffen Freiling/Berlin Zoo via AP)
Animal doctor and zoo director Andreas Knieriem examines for the first time a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)
Animal doctor and zoo director Andreas Knieriem, center, and animal doctor Guenter Strauss, left, examine a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)
Animal doctor and zoo director Andreas Knieriem, center, and animal doctor Guenter Strauss, left, examine a little female polar bear at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)
A little female polar bear watches the camera after its first examination by the animal doctors at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo.  (Steffen Freiling/Berlin Zoo via AP)
A little female polar bear watches the camera after its first examination by the animal doctors at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)
A little female polar bear watches the camera after its first examination by the animal doctors at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo.  (Steffen Freiling/Berlin Zoo via AP)
A little female polar bear watches the camera after its first examination by the animal doctors at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)