13 Male mammals

Bini the Bunny is a rabbit, known for a series of videos posted on the internet. Bini is a 8-year-old male Holland Lop rabbit, referred to by the media and fans as the only rabbit in the world who can paint, play basketball, and comb and style hair. As of 2017, Bini and his owner, Shai (Asor) Lighter are Guinness Book of World Record holders for the most slam dunks by a rabbit in one minute. Bini's most popular video with over 20 million views was created in 2016, titled "When Your Bunny is Addicted to Arcade Games". Bini's YouTube channel has more than 195,000 subscribers and his Facebook page has over 450,000 fans.

Binky was a polar bear who lived at the Alaska Zoo in Anchorage. He was originally orphaned near Cape Beaufort, close to the Chukchi Sea in the Alaska North Slope, and was found in Northwest Alaska by a driller named David Bergsrud. Alaska Fish and Game was contacted shortly after Binky's discovery, and arrangements were made to find a zoo in the Contiguous United States. Anchorage had a small zoo at the time, with an elephant that local grocer Jack Snyder had won in a contest and a few other donated animals.

A bull is an intact adult male of the species Bos taurus. More muscular and aggressive than the females of the same species, the cows, bulls have long been an important symbol in many cultures, and play a significant role in beef ranching, dairy farming, and a variety of other cultural activities, including bull fighting and bull riding.

Count Noble was a male Llewellin Setter. He was so well known that when he died in 1891, The New York Times ran an obituary. He was popularly known as the "$10,000 hunting dog." He was described as a "national symbol of what was great in bird dogs."

Gus (1985–2013) was a 700-pound (320 kg) polar bear and icon of the Central Park Zoo in New York City. His exhibit was visited by over 20 million people during his lifetime. He came to public notice in the 1990s, when he began swimming obsessively in his pool for up to 12 hours a day. Reporters dubbed him "neurotic", "depressed", and "flaky", turning him into a "symbol of the stress of living in New York City". As part of his therapy and treatment, Gus was the first zoo animal in history to be treated with Prozac.

Inuka was a male polar bear and one of the mascots of the Singapore Zoo. Born and housed in a climate-controlled enclosure, he was the world's only "tropical polar bear".

Knut was an orphaned polar bear born in captivity at the Berlin Zoological Garden. Rejected by his mother at birth, he was raised by zookeepers. He was the first polar bear cub to survive past infancy at the Berlin Zoo in more than 30 years. At one time the subject of international controversy, he became a tourist attraction and commercial success. After the German tabloid newspaper Bild ran a quote from an animal rights activist that decried keeping the cub in captivity, fans worldwide rallied in support of his being hand-raised by humans. Children protested outside the zoo, and e-mails and letters expressing sympathy for the cub's life were sent from around the world.

Lampo was a mixed-breed dog that became famous for his rail journeys across Italy.

Meow, also known as Meow the obese cat, was a male domestic cat who attracted international attention when an animal shelter publicized efforts to slim him down, in an attempt to have him adopted. However, Meow died of lung failure two weeks after entering the animal shelter, on May 5, 2012. He was the world's heaviest cat at his time of death, weighing 39.6 pounds.

Palmerston was the resident Chief Mouser of the Foreign & Commonwealth Office (FCO) at Whitehall in London. The black and white bicolour cat began his role in the position of Chief Mouser on 13 April 2016. Previously, he was from Battersea Dogs & Cats Home and is named after the former Foreign Secretary and Prime Minister Lord Palmerston. He was employed at the King Charles Street building.

Siku is a male polar bear cub, he has several siblings such as Sné. After his mother failed to produce enough milk to feed him, he was taken into care in the Scandinavian Wildlife Park in Denmark.

Wilbär is a polar bear who was born in captivity at the Wilhelma Zoo in Stuttgart, Germany on 10 December 2007. Wilbär made his first public appearance on 16 April 2008, swimming alongside his mother. His name comes from combining the name of the zoo with the German word for bear (Bär). Zoo officials have registered the name as a trademark.