The 14-year-old female polar bear who recently arrived in Chicago is expected to mate with 8-year-old Siku, who has lived at the zoo since 2016.
How local scientists played a key role in the arrest of three well-known elephant poachers in the Republic of Congo.
Nearly 30 years ago, scientists began collecting semen samples from Mexican wolves. On Sunday, Brookfield Zoo artificially inseminated one wolf as part of an effort to boost the genetic health of the endangered species.
Over the past year, staff from Shedd Aquarium’s Animal Response Team have come to the aid of animals across the globe. Here’s an update on how some of them are doing.
A Mexican wolf pup born this spring at Brookfield Zoo and released into the wild as part of a species recovery program was tracked down in New Mexico and is healthy, the zoo announced this week.
The black-crowned night heron is one of the rarest birds in Illinois. Lincoln Park Zoo now hosts a colony of more than 600 herons, but things have getting a bit crowded.
Shedd Aquarium experts are among those caring for a whale calf rescued Sept. 30 in Alaska’s Cook Inlet. The calf belongs to a critically endangered population of beluga whales.
Dante, a 30-pound alligator snapping turtle, made his public debut after passing a routine physical exam, which was actually quite similar to a human checkup.
The zoo’s newest residents are being hand-reared by keepers, and scientists will analyze their genetics as part of an international species survival plan.
For the first time, Lincoln Park Zoo is offering visitors a chance to get up close and personal with their African penguins. We meet three waddling, webbed-feet bachelors.
Life as an amphibian is no easy hop through the woods. Why Chicago scientists are measuring levels of cortisol (the stress hormone) in Lake County frogs.
Lincoln Park Zoo will give away hundreds of condoms this week as part of a nationwide outreach program to draw attention to the link between human population and endangered species.