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penguins of Chile - Magdalena Island penguin colony, Punta Arenas, Chile. One of Chile's largest penguins breeding sites.
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Purchase our book Penguins of the Falkland Islands and South America: Electronic version for instant download $3.95, Paperback $10.95. All proceeds go towards penguin research and protection
"Penguins of the Falkland Islands & South America"
by Mike Bingham
Electronic download: $3.95
Paperback: $10.95
Proceeds fund our Research

The Falklands Regime by Mike Bingham - now available online here or from bookshops world-wide, ISBN: 1420813757
The FALKLANDS REGIME
by Mike Bingham
available online or from bookshops world-wide.
ISBN: 1420813757.

The Penguins National Nature Reserve:
Magdalena Island, Punta Arenas, Chile

Penguins

One of Chile's largest and most important Magellanic penguin breeding sites is situated on Magdalena Island in the Straits of Magellan. The island has been designated a national nature reserve because of its importance as a penguin breeding site, and the reserve is managed by the government agency Corporación Nacional Forestal.

The island is a popular tourist destination, so monitoring the effects of tourism is essential, in order to ensure sustainable use of the penguins as a tourist resource. Many years ago commercial fishing in the Straits of Magellan caused penguin populations to decline. However following designation of Magdalena Island as a nature reserve, the Chilean government established a no-fishing zone throughout the Straits of Magellan to protect the penguins.

Mike Bingham, in partnership with the Chilean, Argentine and British governments, and the Organization for the Conservation of Penguins, established a long-term penguin monitoring programme on the island in 1998. This programme monitors the effects of tourism, and compares penguin populations in Chile and Argentina, where commercial fishing around major penguin colonies is now banned, with those in the Falklands, where commercial fishing close to penguin breeding sites still occurs with devastating results for the penguins. (see the peer-reviewed scientific publications below)

BINGHAM (2002) The decline of Falkland Islands penguins in the presence of a commercial fishing industry. Revista Chilena de Historia Natural 75: 805-818.

BINGHAM & HERRMANN (2008) Magellanic Penguin Monitoring Results for Magdalena Island 2000-08. Anales Instituto Patagonia (Chile) 36(2): 19-32.

A penguin population census of Magdalena Island conducted in 1998 recorded a penguin population of 59,000 breeding pairs. Between 1998 and 2014 the penguin population has risen to about 65,000 breeding pairs. A baseline population census of all wildlife was conducted in 2001. Click on the links below to see these survey maps:

PENGUINS , GULLS , BIRDS , HABITAT

Comparisons below with data from the Falkland Islands, highlights the problems faced when food resources are diminished by commercial fishing boats, operating within 30km of Magellanic penguin breeding sites.

Fishing within 30km of Penguins: CHILE no / FALKLANDS yes

Population: CHILE 10% increase over 16 years / FALKLANDS 90% decline over 20 yrs

Breeding Success (chicks per pair): CHILE 1.1 / FALKLANDS 0.5

Foraging Duration: CHILE 18 hours / FALKLANDS 34 hours

Fledging Weights: CHILE 3.3 kgs / FALKLANDS 2.6 kgs

Fledging Survival to Adulthood: CHILE ~ 20% / FALKLANDS ~ 1%

Since penguins on Magdalena Island were protected through a ban on commercial fishing around the island, penguin populations have increased. Comparison with the Falkland Islands shows how commercial fishing close to penguin breeding sites can lead to population decline. Studies at Cabo Virgenes, which is Argentina's nearest Magellanic penguin colony to the Falklands, confirms these results. Since our studies there began in 2003, Cabo Virgenes has also shown a population increase and high chick survival as a result of the no-fishing zone established around the colony by the Argentine government.

Where commercial fishing is allowed within the 30km foraging range of breeding penguins, the abundance of fish and squid is obviously reduced. This means that adults seeking food for chicks take much longer finding food (34 hours in the Falklands, but only 18 hours in Chile and Argentina). Chicks therefore receive much less food, so much fewer chicks survive (only 0.5 chicks per nest in the Falklands, but 1.1 chicks per nest in Chile and 1.3 chicks per nest in Argentina). The main cause of chick mortality in the Falklands is starvation, and those chicks that do survive to the point of fledging are malnourished (average weight only 2.6 kgs in the Falklands, compared to 3.3 kgs in Chile and 3.1 kgs in Argentina). This lower body weight in the Falklands means that even the surviving chicks have a low chance of surviving their first year, which is exactly what we see.

You can support our work to protect penguins by adopting a penguin. Visit our Adopt-a-Penguin page for further details.

Our work was initially funded by the British government through their Darwin Initiative Programme, a project which provides three years funding to help conservation projects become established and self-financing. Since 2004 our work has been entirely funded by our adopt-a-penguin program, so the more adoptees we have the more we can do for the penguins.


Web page created by Mike Bingham