San Diego Zoo celebrates centennial — PHOTOS

Slender-tailed meerkats gather around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1@16, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

Bai Yun, a giant panda, wanders around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A young bonobo snacks on leaves at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 116, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

Flamingo's relax at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Larry Wegeforth on Oct. 2, 2016, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A snow leopard cools off in the shade at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A secretary bird walks around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

Bai Yun, a giant panda, wanders around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A giraffe is highlighted by the sun at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A rhinoceros kicks up dust at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1816, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A klipspringer looks on at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A pink flamingo gets a low view at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A pair of giraffes get a look at one another at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 16, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A koala bear snacks on leaves at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A Serval looks on at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 116, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

Slender-tailed meerkats play with one another at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

California condors relax at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A camel eats food at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 116, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

An elephant snacks on food at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 16, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

Turtles get in a scuffle at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 116, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

Speke's gazelles snack on food at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A raccoon relaxes at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A reindeer walks around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

Speke's gazelles roam around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A carved pumpkin sits next to a zebra at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 116, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A snow leopard licks its lips after being fed at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A flower is highlighted by the sun at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A Bornean sun bear wanders around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 116, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A Francois' langur sits on a branch at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A Malayan tiger rests in the shade at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

People walk around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 116, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

People get a view of an exhibit at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A Malay great argus pheasant is highlighted by streaks of sunlight at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 116, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

An unidentified bird stands on a branch at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A crowned eagle snacks on food at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

An emerald starling turns around at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A black-casqued hornbill rests on a branch at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

An African spoonbill relaxes at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

A Wolf's guenon is shown at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 1916, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto

An Angola colobus monkey is shown at the San Diego Zoo in San Diego on Sunday, Oct. 9, 2016. The zoo, founded as the Zoological Society of San Diego by Dr. Harry Wegeforth on Oct. 2, 16, has been celebrating its centennial. Chase Stevens/Las Vegas Review-Journal Follow @csstevensphoto