The city will not provide additional funds to the institutions to offset revenue lost to the discounts.
Mayor Bill de Blasio said officials want to create a more secure environment at the Children's Center.
The two endangered snow leopard cubs, which weigh about 15 pounds each, were born at the zoo on May 6.
Rocket, weighing in at 600 pounds, and Abdul, weighing 400 pounds, could live up to 200 years.
From a barking deer to grazing goats, the city is full of curious (and cute) creatures.
The two western lowland gorillas born over the last two months were the 14th and 15th born at the zoo.
Four Peruvian pelicans have been added to the Bronx Zoo's Russell B. Aitken Sea Bird Colony.
Javon Burgess, 36, sold guns to an undercover detective outside the Bronx Zoo five separate times.
The narrated safari will include a giant Tyrannosaurus rex.
The endangered turtles are the first to be reproduced in captivity.
The four cubs made their public debut Thursday.
The cubs are the first snow leopards to be born at the zoo.
DNAinfo New York has your week's activities planned.
Zoo officials introduce the "frisky" three-month-old calf as their "own royal baby" Friday.
Visitors to the Bronx Zoo can get a peek behind the scenes at how to care for animals.
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