Animal Tracks: A biker pup, bears and more

A biker pup, bears, Comic-con dog and 14 more of the week's best animal photos.

Ollie the French Bulldog, dressed in a "Shazam" costume, sits outside of the San Diego Convention Center during the 2014 Comic-Con International Convention in San Diego, California, on July 24.

Sandy Huffaker / X03157

An emu named Kanoro is pictured in the enclosure in the zoo of Munich, on July 25, 2014.

Christof Stache / AFP

Customers drink a coffee as several cats roam at Cat Cafe Melbourne in Melbourne, Australia, on July 25.

Scott Barbour / Getty Images AsiaPac

Jeremiah Gerbracht rides his Harley Davidson motorcycle with his dog on Wilshire Boulevard in Los Angeles, on July 20.

Jonathan Alcorn / X02898

Dolphins swim in the Mediterranean sea off the coasts of Nice, France, on July 23.

Valery Hache / AFP

Darren Weir trained galloper makes his way up the 1400 metre straight training track in Ballarat, Australia, on July 23.

Vince Caligiuri / Getty Images AsiaPac

A resident pours sea water on a giant green sea turtle which accidentally got tangled in a fishing net off a village in Lingayen, Pangasinan province, on July 21.

Str / AFP

A polar bear sits by a cold barrel in Copenhagen Zoo, Denmark, on July 23.

Niels Ahlmann Olesen / AFP

A stork enjoys a sunny afternoon in his nest on a rooftop in the small village of Frauenkirchen, Austria, on July 21.

Leonhard Foeger / X00360

A sea lion cools down visitors with water from a hose in the summer heat at the Aqua Stadium aquarium in Tokyo, on July 22.

Yoshikazu Tsuno / AFP

A cat walks in front of a glass wall reinforced with tapes as Typhoon Matmo approaches the northeastern coastal town of Nanfangao, Taiwan, on July 22.

Pichi Chuang / X02348

A man returns to the Mexican side of the border after washing his horse in the Rio Grande at the U.S.-Mexico border at dusk near Mission, Texas, on July 24.

John Moore / Getty Images North America

A costumed dog walks on its hind legs, during a free public circus performance to protest Mexico City's ban on circus animals in Mexico City's main square, the Zocalo, on July 22.

Rebecca Blackwell / AP

A dog jumps up onto a participant wearing an inflated suit before taking part in "The Sumo Run" in Battersea Park, London, on July 27.

Justin Tallis / AFP

A black bear in captivity waits for visitors to throw food into his pen at the the Maine Wildlife Park in Gray, Maine, on July 25.

Robert F. Bukaty / AP