[Photo/China Daily]

"After he has mated with her and wandered away some of the losers might be lurking around and she might mate with them as well. It is very aggressive; you can tell the old males, they have scars like adult male lions. We are fairly certain that the females breed with different males every time, that she might never see again.

"It's a myth that they don't breed well. When they are in captivity they can't go through their mating rituals. It happens with many animals. But in the wild, they are very proficient breeders or they would have become extinct a long time ago. They have been around for 8 million years. The earlier forms of pandas were smaller and more petite; they have gotten bigger over time."

Another widely held misconception is that pandas are bone-idle creatures, just lolling around all day, snacking on the odd piece of bamboo.

According to Bexell they are not in the least bit indolent, they just need ample rest after expending tremendous amounts of energy on processing their favorite bamboo food. Hungry pandas have to chomp through the outer layer of bamboo before they can reach the softer inner section.

Images of pandas foraging in the wild, or resting high in the trees, are scattered liberally throughout Giant Pandas, Born Survivors. Many were taken by Zhang, who has a vast library of images and had an earlier best-seller with the book Watch Me Grow, also a collaboration with Bexell, documenting the life of a giant panda, Jing Jing, from birth.

When Bexell is asked to take a big-picture view of the state of the planet, it is not an optimistic image. The vegan scientist despairs at the greed and avarice that has led to wholesale decimation of forests and the pollution of rivers, lakes and oceans.

"Our population is too big and our consumption habits are quite frankly unethical, especially in developed countries," she says. "The more we take, and the more we have babies, we are taking away the chances of survival for every other species.

"Once we eat everything, we die too."

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