Monarchs usually arrive in Mexico by the 1 November Day of the Dead holiday. Legend says their arrival signifies the returning of the spirits of the dead.
The annual charity event Fantasy Fest Pet Masquerade drew 40 participants. Highlights included 'the tortoise and the hare' – a tortoise with a toy rabbit strapped to its shell.
The dog days of summer may be gone, but that didn't stop these canine competitors. The Surf Dog Surf-a-thon has been raising money for orphaned pets for 14 years.
Daela, an African elephant and Dunja, an Asian are both former circus performers.
The bears are eating a diet of 99% bamboo but also enjoy apples, carrots and special pancakes made out of cereal.
Meet the latest addition to the elephant family at Vienna's Schönbrunn Zoo.
Farmers in Eastern Thailand celebrated the start of the sowing season on Saturday by racing the buffaloes whose usual duty is to plough fields.
A California sea lion pup has made its public debut at Brookfield Zoo in Illinois.
The male pup named Charger was born on June 10 to a 9-year-old sea lion named Josephine.
To keep cool, some animals have taken matters into their own hands (or trunks). At these zoos in Austria and Germany, worm ice lollies are on the menu too.
The ambulance is fully equipped with oxygen tanks, bandages and medical supplies. It's not yet legal for it to sound a siren but organisers are hoping to have this approved by city officials.
The city council voted to modify bylaws, saying breeding will eventually be halted if they are not adhered to. Animal rights activists celebrated but some zookeepers are worried restrictions could do more harm than good.
In a win-win, the goats get an all you can eat buffet and the park doesn't have to use chemical weed killer.
The duo will be bottle fed by sanctuary workers until they've learned to forage in the forest, after being abandoned by their mother.
Experts say climate change and deforestation mean the mammals are struggling to hibernate properly.
The village was under seige and the water supply poisoned so Christian knights came to the rescue with flagons of wine tied to horses.
The festival was created 60 years ago when the town decided the animals on which it relies deserved a day of their own.
Her owner says locals know her and tram drivers even slow down for her as she completes her 15km-a-day constitutional.
In Crimea, a cat named Pusha has "adopted" four orphaned baby squirrels and is raising them as her own alongside her new kittens.
There are 1,000 pet cafés in Japan. Visitors say the animals help relieve stress, and the cafés have become a €12 billion industry.
A modern family of two male and one female bald eagles are co-parenting their chicks. The males stayed together and courted a new female after their first mate died.
The Songkran festival sees elephants and humans splashing and spraying each other with water.
Many were mistreated in their earlier lives as circus performers, television actors and domestic pets.
Hertha seemed happy with the choice, enthusiastically chasing her own personalised football.
The cubs are named Mawar, Tengah Malam and Pemanah – Rose, Midnight and Archer in Indonesian.
There are only 38,000 Asian Elephants left in the world, so the birth of a female calf at a Belgian zoo is an important event for the conservation of the species.
A Russian Arctic archipelago has been on high alert since Saturday over an "invasion" of polar bears in the main settlement.