Add to ORKGBlack and white photo of a hippopotamus in a pool in a zoo enclosure. It's mouth is gaping wide open. A zookeeper outside the bars of the cage seems to be about to toss a piece of friut to the hippo
Black and white photo of a male lion, with a zookeeper standing next to it holding what is probably ...
https://digitalcommons.usm.maine.edu/wilfrid-mailhot-photographs/1020/thumbnail.jp
Black and white photo of a male lion in his zoo enclosure, with a zookeeper standing behind him
Black and white photo of a hippopotamus in a pool in a zoo enclosure. It's mouth is gaping wide open...
Black and white photo of a hippopotamus in a zoo enclosure. The arm of a zookeeper can be seen exten...
Black and white photo of a zookeeper holding onto a large tortoise, which is on the wooden floor of ...
Black and white photo of a zookeeper offering a piece of fruit to a large tortoise; the tortoise is ...
Zoological institutions provide naturalistic exhibits for their animals in order to offer a more app...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This hippopotamus spends mos...
Black and white photo of a male lion in a zoo enclosure, standing in front of a stream of water, app...
Zoological institutions provide naturalistic exhibits for their animals in order to offer a more app...
Black and white photo of a male lion in a zoo cage, with a zookeeper standing in front of the cage
Black and white photo of a zebra and zookeeper in a zoo enclosure, surrounded by a chain-link fence
Black and white photo of a lioness in a cage. A zookeeper outside the cage is giving her a large pie...
Black and white photo of a male lion, with a zookeeper standing next to it holding what is probably ...
https://digitalcommons.usm.maine.edu/wilfrid-mailhot-photographs/1020/thumbnail.jp
Black and white photo of a male lion in his zoo enclosure, with a zookeeper standing behind him
Black and white photo of a hippopotamus in a pool in a zoo enclosure. It's mouth is gaping wide open...
Black and white photo of a hippopotamus in a zoo enclosure. The arm of a zookeeper can be seen exten...
Black and white photo of a zookeeper holding onto a large tortoise, which is on the wooden floor of ...
Black and white photo of a zookeeper offering a piece of fruit to a large tortoise; the tortoise is ...
Zoological institutions provide naturalistic exhibits for their animals in order to offer a more app...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This hippopotamus spends mos...
Black and white photo of a male lion in a zoo enclosure, standing in front of a stream of water, app...
Zoological institutions provide naturalistic exhibits for their animals in order to offer a more app...
Black and white photo of a male lion in a zoo cage, with a zookeeper standing in front of the cage
Black and white photo of a zebra and zookeeper in a zoo enclosure, surrounded by a chain-link fence
Black and white photo of a lioness in a cage. A zookeeper outside the cage is giving her a large pie...
Black and white photo of a male lion, with a zookeeper standing next to it holding what is probably ...
https://digitalcommons.usm.maine.edu/wilfrid-mailhot-photographs/1020/thumbnail.jp
Black and white photo of a male lion in his zoo enclosure, with a zookeeper standing behind him