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Penguins
Education
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HUMBOLDT PENGUIN
Scientific Name:
            Spheniscus humboldti
Size: Feathers - 2.1 cms
Height: 70 centimetres
Weight: 3.6 - 4 kilograms

REPRODUCTION /
                   LIFE SPAN

Breeding: Springtime/Autumn
Nest: Caves
Under protected areas
Eggs: 1 - 3 (average 2)
Incubate forty days
Young: Eat regurgitated food
Try swimming at three months

DIET
Wild:              Anchovies, squid and crustaceans
Zoo:        Sprats or herring with vitamins and salt tablets
HABITAT/RANGE
              Coastal Islands
              Peru and Chile
              Found only in               Southern Hemisphere


PENGUIN EXHIBIT
There are seventeen different species of penguin in the world, and this exhibit completed in 1997 is home to a colony of Humboldt penguins - one of the most endangered of the penguin species. The Humboldt penguins' natural environments are the warm coastal regions of Peru down to South Chile in South America. Contrary to popular belief only three species of penguin nest on the Antarctic ice.
In the wild they spend long periods at sea in the feeding areas. The seas are cold and very rich in marine life on which they feed; anchovies, squid and crustaceans.
All penguins are flightless, and their wings have evolved into flippers which they use to propel themselves through the water at speeds of up to twenty five miles per hour using their feet as

THE PENGUINS' FUTURE
Ironically, some of the factors that have so endeared penguins to people have placed their survival in jeopardy. Since most healthy adult penguins fear few land predators they have little natural fear of people.


Curious birds may waddle right up to a visitor, behaviour that has turned penguins into a favourite subject for bird-watchers and wildlife photographers.
However, this behaviour has also made penguins on easy target for human hunters and egg
rudders. The exhibit has underwater viewing windows where it is possible to see them 'flying' under the water, waddling about on the land and torpedoing along the seventy-foot length of the pool. In addition, nest boxes are in full view, allowing a unique insight into the penguins' behaviour. gatherers. Today, the threat to penguins from hunting and egg collecting has mostly ended. Instead, the main threat to the birds is now the destruction of their nesting habitats. Humboldt Penguin guano (droppings) has great commercial value as a nitrogen-rich fertiliser. Guano harvesting is better managed today, but overexploitation of this commodity is a serious threat to Humboldt Penguins.

CHARACTERISTICS
Bones   Solid (as opposed to hollow bones in flying birds). Act as ballast while diving.
Feathers   2 layers - top layer lies flat & overlaps to stop wind & water. Bottom layer 'downy' for warmth.
Swimming   Speed - up to 25mph
Agile in water.
Feet   Webbed, serve as rudder.
Claws at end for climbing.
Insulation   80% due to feathers
20% due to blubber
Moulting   Catastrophic (all feathers all at once)
July - September
~ 10 days
Mouth /   Tongue   Backward-pointing spines hold in fish.
Skeleton   Similar to flying birds
Large keel attaches muscles. Wings flattened like oars - adapted to flippers for 'flying' through water.

Other factors are competition from fishermen for the fish they eat, and by introduced predators such as rats, dogs and foxes that eat penguin eggs and young. The most threatened species are those concentrated near human populations in temperate zones, such as the Little Blue, Yellow-eyed, African and Humboldt Penguins. A recently identified threat, that of global warming, is one that may affect all penguins, even those living thousands of miles from the nearest city.
Research has identified that the greatest changes in the penguin populations throughout the world can be directly linked to climatic change.

However, penguin experts are hoping that the public's fondness of these waddling torpedoes will translate into strengthened protection efforts. The more the public learns about the remarkable world of the penguin, the more likely they are to understand that these fascinating creatures are not just here to provide comic relief.


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Seaview Wildlife Encounter, Seaview, Isle of Wight by Island Graphic Art - © 2001 - 2004 FPWE