the best headline for this passage is russian zoo struggling to survive.
the major problem of the zoo seems to be insufficient financial support.
all of the statements below describe a problem of the russian zoo EXCEPT "the zoo is very crowded only in summer."
one of the changes being carried out at the moment is certain areas of the zoo are being improved.
the private sector also cooperates by fusing displays and providing money to buy food for animals.
one private sector group that is lending a head consists of russian businesses and banks.
according to the passage, the zoo is important because it is a place where russians can see wildlife easily.
the purpose of this passage is to inform readers of what is happening at the zoo in russia.