Zoo is a medium-large urban terrain. It has several vacant animal exhibits and cages, empty souvenir shops are given jungle-house like skins like in amusement parks and several dry fountains.
Developers at Treyarch have stated that the monorail is vital to crossing the map efficiently and also offers a great vantage point.
Gallery
Call of Duty: Black Ops
Zoo's trailer picture.
Loading screen.
East side of the map.
Zoo's bear exhibit.
Zoo's giraffe exhibit.
Zoo's mountain goat exhibit.
The buildings around Zoo.
Zoo's cafeteria.
Zoo's entrance gate.
Overhead picture of Zoo.
Overview picture of Zoo.
A poster in Zoo.
Another poster in Zoo.
Trivia
Call of Duty: Black Ops
There are many cages all over the map which hold animal skeletons.
The glass windows inside the aquarium (located in C2 on the multiplayer map) can be shattered, giving players the ability to climb inside the empty aquatic tanks.
One of the posters depicts actual Soviet poster from the 1920s dedicated to the first Russian animal trainer Nikolai Pavlovich Gladilschikov.
Call of Duty: Black Ops Cold War
While the two playable teams are MI6 and Spetsnaz according to the scoreboard , the chyron at the start of a game uses BND and HVA.
The map uses the same coordinates as its Outbreak counterpart even though the maps use two vastly different vistas with the former being set in a city and the latter in a rural area.