The indoor lighting levels in their enclosures now simulate those of natural light levels, in line with sunrise and sunset.
Indeed, several neighbors of the Turere family in Kitengela have sought Turere's help, asking him to install the system in their enclosures.
They spray deer musk in big cat enclosures, and freeze a polar bear's fish supper in blocks of ice.
Throughout the past week the zoo swapped the pandas between enclosures in an effort to prepare them for mating.
The switch began at 5%, and by the time the cineole level had reached 10% the ratio of time the animals spent in the two enclosures had reversed itself presumably reflecting, though this remains to be tested, the point at which they change trees in the wild.
The left and right speaker systems are in their own internal enclosures.
As she reports in the Journal of Animal Ecology, she attempted to imitate the distinction between trees and ground by giving eight possums the opportunity to feed in either of two enclosures.
Animals live in appropriate social groups within enclosures designed to resemble their natural habitat.
He said there would also be an increase in enclosure swapping, allowing the pandas to smell each other's scent and mark in each other's enclosures.
The two (plainly-named) Personal Video Recorders sport sleek, brushed aluminum enclosures that resemble a Mac mini in form, and both units are all but identical save for the high-end edition's ability to handle 1080p.
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At Mumbai's international airport, six of Kingfisher's Airbus jets are parked on a remote tarmac, their frames dusty and paint fading, while their engine enclosures, windows and landing gear are covered in foil.
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Dr Molette and her colleagues raised 150 male mule ducks (a cross between Pekin and Muscovy ducks that is often used to produce foie gras) for 13 weeks in standard poultry-house conditions and then transferred them into individual enclosures.
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He said that rather than the usual open air stage in a muddy field, the Henley Festival was "a little village" with enclosures inherited from the regatta the previous week.
The barrier between both enclosures has now been taken down so the pair have both pools to swim in together.
Volunteers live in dormitories or permanent safari tents, and spend their sunny days clearing bush, cleaning out cheetah enclosures and even babysitting baby baboons.
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