Last Caribou Herd On U.S. Mainland 'Functionally Extinct', Experts SayThe last herd of southern mountain caribou -- known as gray ghosts -- has reportedly dwindled down to the point where wildlife experts are calling them "functionally extinct"
Senate OK's Hellbender As Official Pennsylvania Amphibian, Heads To HouseThe state Senate is advancing legislation to make the Eastern hellbender the official amphibian of Pennsylvania, as researchers say its population is shrinking because of pollution.
Pittsburgh Zoo Joins Effort To Save The Pangolin, A Rare Animal Facing ExtinctionThe Pittsburgh Zoo and PPG Aquarium has teamed with several other zoos around the country in an effort to save one of the most endangered species on the planet.
Endangered Black Rhino Calf Born At Pittsburgh Zoo & PPG AquariumThe Pittsburgh Zoo & PPG Aquarium is announcing the birth of an endangered black rhinoceros calf.
Pittsburgh Zoo Announces Birth Of Rare Amur Leopard CubThe Pittsburgh Zoo and PPG Aquarium has announced the arrival of its newest member – an Amur leopard cub.
PPG Aquarium Nurses Endangered Sea Turtles Back To HealthEach year at this time, the Pittsburgh Zoo & PPG Aquarium helps to nurse some of the endangered sea turtles that wash up on the New England coast back to health.
Zoo’s New “The Islands” Exhibit Finally Ready To Start Welcoming VisitorsThe newest exhibit at the Pittsburgh Zoo & PPG Aquarium will soon be ready for visitors.
National Aviary Debuts New “Condor Court” ExhibitThe National Aviary is showing off its newest exhibit - “Condor Court.”
$4 Million In US Projects That Aim To Protect Sage Grouse Could Hurt MilitaryFederal officials have announced more than $4 million in projects in four states as part of a wildfire-fighting strategy but the efforts could hurt training operations at numerous U.S. military facilities in the West.
Biologists Question Federal Plans To Protect Sage Grouse BirdThe government is preparing insufficient protections for a ground-dwelling bird that has declined significantly over the past century and soon will face a possible endangered species listing.
Crews Hard At Work On New Exhibit At Pittsburgh Zoo & PPG AquariumThe Pittsburgh Zoo & PPG Aquarium is set to reopen after six weeks of being closed for maintenance and construction.
Pa. Gas Industry: Change Endangered Species LawsMajor oil and natural gas industry groups in Pennsylvania are backing efforts to change the state's endangered and threatened species laws, despite objections from some sportsmen's and environmental groups.

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