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Westarctica

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-|style="padding:0 0.9em 0 0;" | [[File:Humpback whale noaa.jpg|300px]]
+|style="padding:0 0.9em 0 0;" | [[File:Antarctic Sound-2016-Iceberg 02.jpg|300px]]
 |style="padding:0 6px 0 0"|
-The '''[[humpback whale]]''' is a species of baleen whale with a distinctive body shape. It is known for breaching and other distinctive surface behaviors, making it popular with whale watchers. Males produce a complex song lasting 10 to 20 minutes, which they repeat for hours at a time. Its purpose is not clear, though it may have a role in mating.
+An '''[[iceberg]]''' is a large piece of freshwater [[ice]] that has broken off a [[glacier]] or an [[Ice-shelf|ice shelf]] and is floating freely in open water. It may subsequently become frozen into [[pack ice]] (one form of sea ice). As it drifts into shallower waters, it may come into contact with the seabed, a process referred to as seabed gouging by ice. About 90% of an iceberg is below the surface of the water.
-Found in oceans and seas around the world, humpback whales typically migrate up to 25,000 km (16,000 mi) each year. Humpbacks feed in [[Southern Ocean|polar waters]], and migrate to tropical or subtropical waters to breed and give birth when they fast and live off their fat reserves. Their diet consists mostly of [[krill]] and small fish.
+In addition to size classification, icebergs can be classified on the basis of their shape. The two basic types of iceberg forms are tabular and non-tabular. Tabular icebergs have steep sides and a flat top, much like a plateau, with a length-to-height ratio of more than 5:1. This type of iceberg, also known as an ice island, can be quite large, as in the case of Pobeda Ice Island. [[Antarctic]] icebergs formed by breaking off from an [[ice-shelf|ice shelf]], such as the [[Ross Ice Shelf]] or [[Filchner-Ronne Ice Shelf]], are typically tabular. The largest icebergs in the world are formed this way.
-Like other large whales, the humpback was a target for the [[whaling]] industry. Once hunted to the brink of extinction, its population fell by an estimated 90% before a 1966 moratorium. While stocks have partially recovered, entanglement in fishing gear, collisions with ships and noise pollution continue to impact the population of 80,000.
+<p><small>Photographer: Andrew Shiva</small></p>
-<p><small>Photographer: NOAA Photographer</small></p>
 [[:Category:Images|'''(More Featured Images)''']]
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Difference between revisions of "Template:POTD protected"

Template:POTD protected (view source)

Revision as of 04:09, 4 December 2018

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