Biologists' fears confirmed on the lower Colorado River

Smallmouth bass have been found and are likely reproducing in the Colorado River below Glen Canyon Dam.

Long Island shark attack: Beaches reopen with drones on patrol

Lifeguards at Smith Point and Cupsogue beaches started their shifts an hour early on Monday morning to scan the water for signs of sharks. Over the weekend, a shark bit a lifeguard who was in the water for a training exercise.

Shark attack on Long Island investigated

Police in Nassau County say they are investigating a possible shark attack.

Invasive snail that loves damaging plants, living in humidity found in Pasco County

Giant African land snails are considered one of the most damaging snails in the world. They have previously been eradicated twice in Florida – and one was found in Pasco County.

Toppled cactus appears to 'hug' car following storm in northwestern Arizona
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The photo, which was tweeted out by Dana Solano, shows a cactus toppled onto a car after a storm in the Lake Havasu City area. The tweet included the caption 'why I was late to work lol.'

Arizona Game and Fish looking for homes for hundreds of tortoises
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About 200 captive desert tortoises are in need of homes. Arizona Game and Fish Department has various shapes and sizes up for adoption. It's a big commitment because they live to be 80 to 100 years old. FOX 10 Photojournalist Brian Kae has more on what you need to know about these possible pets.

Bison gores man near Old Faithful at Yellowstone National Park, officials say

It was Yellowstone’s second reported incident this year of a visitor getting too close to the animal, and the bison “responding to the perceived threat,” officials said.

Tako, the Giant Pacific octopus at OdySea Aquarium, enters final phase of her life
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Tako, a Giant Pacific octopus at OdySea Aquarium in Scottsdale is entering the final phase of her life. The process is known as "senescence." She's begun laying thousands of eggs and is in the process of dying. This is completely natural. For now, OdySea has opted to keep Tako on exhibit, in a familiar and safe environment. It's also an opportunity to educate guests about this natural process.

Grand Canyon won't seek volunteers to kill bison this fall

The park used skilled volunteers selected through a highly competitive lottery last year to kill bison, part of a toolset to downsize the herd that's been trampling meadows and archaeological sites on the Grand Canyon's North Rim.

11-year-old girl catches huge carp with her bare hands in Lake Minnetonka

Maddie Freese, 11, participates in kids' fishing tournaments but has never pulled off a catch like the one she did on Tuesday when she dove into shallow water of Lake Minnetonka and bear-hugged a carp.

Shark attacks swimmer off California coast

A swimmer was seriously injured in a shark attack on the central California coast on Wednesday, police said.

Sharks swimming closer to crowded beaches than previously thought, study says

"We were surprised to find that the sharks we tracked spent so much time near the lights and sounds of the busy city, often close to shore, no matter the time of day," the study author said.

Florida man says alligator attacked, ate his dog 'like it was nothing': report

The owner had been playing fetch with his dog when an alligator suddenly grabbed the 40 lb. Lab mix by his head. "Boom, the water just sort-of exploded," he recalled. "He never barked. He never saw it... It took him down like it was nothing."