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Antarctica Expeditions: Antarctic seasonsTundra Travel

Antarctica Expeditions: Antarctic seasons

Antarctic wildlife is at its most active during the southern summer. The beauty and solitude of Antarctic seas and mountains conceals the frantic activity of the shoreline colonies of birds and mammals. In this six-month period, from October to March, we operate our expedition cruises. Summer arrives first in the South Shetland Islands and spreads south along the Antarctic Peninsula. As the Antarctic year progresses, from spring to autumn, the Antarctic Peninsula and surrounding islands change in appearance and character each season offering a different range of spectacular sights and possibilities to the visitor.

 

 

Spring - early summer in Antarctica: November - December

 

After the winter darkness, spring fever hits Antarctica and the sun causes an explosive growth of phytoplankton in areas of mineral upwelling. The phytoplankton provides food to the astronomic swarms of zooplankton, including krill. Krill forms the base of the food chain for squid, fish and ultimately for seabirds, seals and whales, which flock in to fatten themselves and to produce their young.

 

Crabeater seals are born between September and November.

Elephant seals guard their harems aggressively until December.

The first big whales come down to Antarctica to feed, among them humpback, Minke and southern right whale.

Amazing displays of the penguins´ courtship ritual, including nest building, sky pointing and stone stealing.

Penguin, petrel and cormorant eggs are laid in November and December.

Penguin chicks start to hatch at the end of December in the South Shetland Islands.

Wintering scientists at the research stations welcome the first visitors of the season.

Longest days in December create longer daylight hours - photographs can be taken at midnight!

Last winters sea-ice offers sometimes spectacular sailing among the floes with seals everywhere on the ice.

 

 

Summer in Antarctica: January - February

 

In Antarctica's warmest months wildlife activities are in full swing. Most penguin chicks hatch in January, earliest in the South Shetland Islands and later more to the south at the Peninsula. The frantic activity continues in the colonies in February as the young get older and bolder and are gathering in crèches.

 

Fur seal and leopard seal pups are visible.

Whale watching is at its best in February.

Penguin colonies at their busiest, fetching krill and feeding chicks.

In February receding ice allows exploration further south along the Antarctic Peninsula.

Concentration of fur seals increases.

 

 

Autumn in Antarctica: March 

 

Nightly darkness returns as the sun sinks farther below the southern horizon, but temperatures are still above zero, though we may experience a touch of Antarctic winter with night frosts, creating beautiful patterns of thin sea ice on the surface. The snow cover is at its minimum allowing for easy and extensive walks in the South Shetland Islands.

 

Penguin chicks are in their adolescent state now and quite curious about visitors.

The adult penguins moult and the young go to sea.

Receding ice allows exploration farthest south along the Antarctic Peninsula.

Spectacular green and pink algae blooms on snow-slopes and ice cliffs.

Whale watching is still very good.

Corporate image:Xavier Marlí

Web Design and Development:Xavier Marlí