(Portland, OR) -- The Oregon Zoo is offering significant discounts on admission starting this weekend. From February 24th through March 1st admission is 12-dollars a person, which is about half the normal price. Tickets need to be reserved in advance on the Oregon Zoo website. Guests might see several new additions including a pair of Amur tigers, orphaned black bear cubs and possibly the two-month-old rhino calf who was born at the zoo in December.