New Tiger Cub At SF Zoo

A veterinary technician reviews the pictures on the monitor as a member of the animal staff maneuvers the ultrasound wand. (credit: Marianne Hale/San Francisco Zoo)
Prep for Ultrasound A veterinary technician reviews the pictures on the monitor as a member of the animal staff maneuvers the ultrasound wand. (credit: Marianne Hale/San Francisco Zoo)
Here SF Zoo veterinary staff complete a quick exam (less than 5 minutes!) so that mom and cub can resume their bonding. The cub is in excellent health! (credit: Marianne Hale/San Francisco Zoo)
Tiger Cub Exam Here SF Zoo veterinary staff complete a quick exam (less than 5 minutes!) so that mom and cub can resume their bonding. The cub is in excellent health! (credit: Marianne Hale/San Francisco Zoo)
NEW: Our new Sumatran tiger cub during her first quick exam, a weigh and measure and a gender check: It's a girl! (credit: Marianne Hale/San Francisco Zoo)
Tiger Cub NEW: Our new Sumatran tiger cub during her first quick exam, a weigh and measure and a gender check: It's a girl! (credit: Marianne Hale/San Francisco Zoo)
Carnivore keeper Zachary Dupra socializes the cub while Leanne looks on. (credit: Marianne Hale/San Francisco Zoo)
Zachary Dupra & The Cub Carnivore keeper Zachary Dupra socializes the cub while Leanne looks on. (credit: Marianne Hale/San Francisco Zoo)
Leanne was relaxed but very aware of her surroundings.  (credit: Marianne Hale/San Francisco Zoo)
Leanne & The Cub Leanne was relaxed but very aware of her surroundings. (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Portrait of cub and mother (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
There's always time for a snuggle. (credit: Marianne Hale/San Francisco Zoo)
The cub found a spot in the hay in which to tuck herself away. (credit: Marianne Hale/San Francisco Zoo)
The Cub Hiding The cub found a spot in the hay in which to tuck herself away. (credit: Marianne Hale/San Francisco Zoo)
Leanne brought the cub down to the lower grass moat area to acclimate to her new surroundings. (credit: Marianne Hale/San Francisco Zoo)
Leanne & The Cub Leanne brought the cub down to the lower grass moat area to acclimate to her new surroundings. (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Leanne is a hands-on mother (credit: Marianne Hale/San Francisco Zoo)
The cub and Leanne enjoyed a playful wrestle in the grass. (credit: Marianne Hale/San Francisco Zoo)
Leanne & The Cub The cub and Leanne enjoyed a playful wrestle in the grass. (credit: Marianne Hale/San Francisco Zoo)
The cub stayed close to Leanne and followed her cues throughout their outing. (credit: Marianne Hale/San Francisco Zoo)
Leanne & The Cub The cub stayed close to Leanne and followed her cues throughout their outing. (credit: Marianne Hale/San Francisco Zoo)
Leanne made sure the cub practiced going up the steps several times before she decided to go back inside for breakfast. (credit: Marianne Hale/San Francisco Zoo)
Leanne & The Cub Leanne made sure the cub practiced going up the steps several times before she decided to go back inside for breakfast. (credit: Marianne Hale/San Francisco Zoo)
Leanne is an experienced and attentive mother. She is simultaneously protective and encouraging when her cub is outside of the nest box. (credit: Marianne Hale/San Francisco Zoo)
Leanne and the cub Leanne is an experienced and attentive mother. She is simultaneously protective and encouraging when her cub is outside of the nest box. (credit: Marianne Hale/San Francisco Zoo)
As our cub becomes more stable on her feet, she is able to explore the area outside of the nest box. (credit: Marianne Hale/San Francisco Zoo)
The Cub As our cub becomes more stable on her feet, she is able to explore the area outside of the nest box. (credit: Marianne Hale/San Francisco Zoo)
Since our cub has no competition at the "milk bar," she's been able to gain weight beautifully. She weighed 8 pounds at the time of her exam. (credit: Marianne Hale/San Francisco Zoo)
The Tiger Cub Since our cub has no competition at the "milk bar," she's been able to gain weight beautifully. She weighed 8 pounds at the time of her exam. (credit: Marianne Hale/San Francisco Zoo)
Leanne and the cub, photographed through the protective mesh of their enclosure, spend all of their time very close together either nursing, snuggling or playing. (credit: Marianne Hale/San Francisco Zoo)
Leanne and the cub Leanne and the cub, photographed through the protective mesh of their enclosure, spend all of their time very close together either nursing, snuggling or playing. (credit: Marianne Hale/San Francisco Zoo)
After play time with mom, the cub sleeps soundly. (credit: Marianne Hale/San Francisco Zoo)
The Tiger Cub After play time with mom, the cub sleeps soundly. (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Tiger mother Leanne walking (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Tiger mother Leanne portrait (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Tiger mother Leanne close-up (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Leanne and her cub. (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Tiger father Larry walking (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Leanne and her cub. (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Tiger father Larry portrait (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Tiger father Larry close-up. (credit: Marianne Hale/San Francisco Zoo)
(credit: Marianne Hale/San Francisco Zoo)
Tiger father Larry lounging (credit: Marianne Hale/San Francisco Zoo)
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