Chickens on a farm in front of brown mesh coops
Bird Flu Hits US Hard
So far this season, tens of millions of birds have died of disease or been culled, driving up prices of eggs, chicken, and turkey meat.
Bird Flu Hits US Hard
Bird Flu Hits US Hard

So far this season, tens of millions of birds have died of disease or been culled, driving up prices of eggs, chicken, and turkey meat.

So far this season, tens of millions of birds have died of disease or been culled, driving up prices of eggs, chicken, and turkey meat.

zoo
two women wearing plastic gloves hold up hand-sized air-capture devices in a wooded area.
Scientists ID Dozens of Plants, Animals from Free-Floating DNA
Dan Robitzski | Jan 6, 2022
In a trio of studies, researchers report capturing and analyzing airborne environmental DNA from a wide variety of plants and animals, suggesting a new way of monitoring which terrestrial species are present in an area.
Two vaccine syringes on a baggy labelled with San Diego Zoo and Bonobo
The Rise of COVID-19 Vaccines for Animals
Chris Baraniuk | Dec 9, 2021
Thousands of animals have had their shot already. How many more really need it?
US Confirms World’s First SARS-CoV-2 Cases in Gorillas
Max Kozlov | Jan 12, 2021
Zoo officials say the captive primates are recovering, but scientists worry the virus could spread quickly through dwindling wild populations.
Image of the Day: Surprise!
Kerry Grens | Nov 21, 2018
A 37-year-old simiang gibbon on birth control unexpectedly gave birth at the San Diego Zoo.
Kurt Benirschke holding a box of frozen vials
Conservation Biologist and Placenta Expert Kurt Benirschke Dies
Shawna Williams | Sep 14, 2018
He established the San Diego Zoo’s cryopreserved Frozen Zoo.
Book Excerpt from Rise of the Necrofauna
Britt Wray | Sep 30, 2017
In chapter 4, “Why Recreate the Woolly Mammoth?” author Britt Wray explores the social consequences of bringing an iconic species back from extinction.
Image of the Day: Goodbye Colo
The Scientist Staff | Jan 17, 2017
Colo, the oldest zoo gorilla and the first born in captivity, died on January 17 at age 60.
Mammals May Live Longer In Captivity
Joshua A. Krisch | Nov 7, 2016
A study on 59 mammalian species in zoos finds that most live longer in captivity than in the wild, although these apparent longevity benefits differ across species.
A Plague on Pachyderms
Jef Akst | Jun 1, 2015
At least seven species of herpesvirus commonly infect elephants. At zoos, keepers scramble to save calves, who are particularly vulnerable to the viruses.
Zoo Virus Swap
Cristina Luiggi | Aug 17, 2012
A polar bear in a German zoo dies after contracting a virus normally found in zebras.
The Bug Zoo
Hayley Dunning | Jul 5, 2012
A Canadian menagerie lets visitors get up close and personal with insects to help make crawlies less creepy.
Meet the Bugs
Hayley Dunning | Jul 5, 2012
The Victoria Bug Zoo is extremely small. In 1997, the Zoo's founder, Carol Maier, started the collection, which now includes more than 50 insect species, after completing her entomology degree from the University of Guelph. 
Test-Tube Zoo Babies
Jef Akst | Mar 1, 2012
A National Zoo researcher works to perfect gamete preservation and in vitro fertilization techniques in order to better manage endangered populations.
Preserving Endangered Gametes
Jef Akst | Mar 1, 2012
Pierre Comizzoli, a reproductive physiologist at the Smithsonian Conservation Biology Institute, chats about his efforts to rescue endangered species from extinction using in vitro fertilization as well as novel gamete preservation techniques.
Modern Day Mammoth?
Tia Ghose | Dec 6, 2011
Researchers at Japanese and Russian institutions believe cloning a woolly mammoth is within reach.
Stem Cells Induced for Conservation
Kerry Grens | Sep 4, 2011
Researchers generate pluripotent stem cells from two endangered species in hopes of learning more about the near-extinct animals.