Description
& Characteristics:
African penguins have a unique ecology in that, as their name
implies, they are entirely removed from all other penguin
populations. They mainly live and breed on islands in the
temperate waters of the Benguela current off the southwest
African coast. Of concern to scientists, however, is that
their numbers appear to be dwindling due to oil spills and
loss of habitat and the species is currently recognized as
'vulnerable'.
African
penguins are average-sized penguins. They typically sport
a white stripe encircling a black cheek and throat and a black
horseshoe-shaped stripe across the chest. They also have featherless
pink areas around the eyes. The throat bars are similar to
those of the Galapagos
penguin, but Africans have a much broader white band on the
cheeks and are slightly smaller. It is difficult to distinguish
males from females except during breeding. Like most penguins,
Africans are countershaded, with black feathers on the back
and white feathers on the front of their bodies. A torpedo-shaped
body and short stiff wings help African penguins seemingly
'fly' through the water at speeds of up to 20 miles per hour.
Fishing
from rocky coastlines, the diet of African penguins consists
mainly of fish, such as pilchards and anchovies, and crustaceans,
of which krill is the principal species. They will eat up
to one pound of food each day. They typically remain near
the coast but are sometimes seen as far as 60 miles from land
in search of food. Like most penguins, Africans have a habit
of hesitating before jumping into the water to feed; waiting
until one of the group has done so before taking the plunge
en masse.
African
penguins breed on bare ground, usually digging shallow burrows
under rocks or in sand or even in guano (bird excrement) or
seeking shelter under sparse vegetation. They tend to gather
in breeding areas called 'rookeries' in September and February
where they lay two green eggs. The burrow protects the eggs
from predators and the hot african sun. Incubation lasts about
five weeks. When the chicks hatch, usually in March, both
parents will share in the care and feeding of the new arrivals.
Chicks
and eggs are preyed upon by the Kelp
gull, sacred Ibis, skuas
and sharks. Adults and chicks are occasionally preyed upon
by the South African fur seal.