Four new emperor penguin colonies have been discovered in Antarctica using satellite imagery, bringing the total number of known nesting sites to 66. This is important information for conservationists who are monitoring the species, as emperor penguins are facing increasing pressure due to climate change. These penguins breed and raise their young on fast ice, which has been diminishing and becoming more variable in recent years. The discovery of these new colonies is encouraging, but it also highlights the need for the penguins to be adaptable and move to new sites as ice conditions continue to change.
Emperor penguins are the largest species of penguin and live in extreme conditions in Antarctica. They breed in distinct groupings, with colonies separated by an average distance of 250km. Scientists have been using satellites to search for unknown colonies in the gaps between these groupings. The four new sites that have been found add a few thousand individuals to the estimated overall population of 550,000. It is clear that the penguins will have to be adaptable and move to new sites as ice conditions change, as evidenced by the shifting positions of some colonies.
Satellites have been the most effective tool for finding emperor penguin colonies due to the size and remoteness of Antarctica. The colonies are identified by the staining of their guano on the white ice, which can be visible even from space if there are enough penguins gathered in one place. Dr. Peter Fretwell from the British Antarctic Survey has identified about half of the known colonies using satellite imagery. The repeat imagery from the EU's Sentinel-2 spacecraft has allowed scientists to monitor the attempts by emperors to establish a new colony near Britain's Halley research station.
The discovery of these new emperor penguin colonies highlights the dynamic nature of the species. When ice losses occur in the future, the penguins have the ability to move and establish new nesting sites. Satellite tracking has provided insights into the distances the penguins travel to find food for their young, with adults traveling over 100km a day. The findings of these new colonies have been published in the journal Antarctic Science.
Original news source: Four new emperor penguin groups found by satellite (BBC)
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π Vocabulary:
Group or Classroom Activities
Warm-up Activities:
– News Summary
Instructions: Have students read the article individually or in pairs. Then, ask them to write a summary of the article in their own words, highlighting the key points and main ideas. Afterward, have them share their summaries with the class and discuss any similarities or differences.
– Opinion Poll
Instructions: Divide the class into small groups. Assign each group a role, such as conservationists, scientists, or penguin experts. Ask each group to come up with a list of questions related to the article, such as "How can we mitigate the effects of climate change on emperor penguins?" or "What are the implications of finding new colonies?" Then, have groups conduct an opinion poll within the class, asking their questions and recording the responses. Finally, have each group present their findings and discuss the different opinions within the class.
– Word Association
Instructions: Write the word "penguin" on the board. Ask students to brainstorm as many words as they can that are related to penguins. Encourage them to think of nouns, adjectives, and verbs. After a few minutes, have students share their words and create a collective word association web on the board. Discuss the connections between the words and how they relate to the article.
– Sketch It
Instructions: Divide the class into pairs. One student will describe a scene or image from the article to their partner, who will then sketch what they hear. After a few minutes, have the pairs switch roles. Once both partners have had a chance to describe and sketch, have them share their drawings with the class and explain the scene they were trying to depict. Discuss the different interpretations and what aspects of the article stood out to them.
– Think-Pair-Share
Instructions: Pose a question related to the article, such as "What are the challenges that emperor penguins face due to climate change?" or "Why is it important to discover new colonies?" Give students a few minutes to think about their answer individually. Then, have them pair up with a partner and share their thoughts. Finally, open up the discussion to the whole class and have students share their ideas and engage in a group discussion.
π€ Comprehension Questions:
Four new emperor penguin colonies have been discovered using satellite imagery.
The discovery of these new colonies is important for conservationists because it provides them with more information about the species and helps them monitor and protect the penguins, who are facing increasing pressure due to climate change.
The main threat to emperor penguins due to climate change is the diminishing and becoming more variable fast ice, which is where they breed and raise their young.
Emperor penguins breed and raise their young on fast ice, which has been diminishing and becoming more variable in recent years.
Scientists have been using satellites to search for unknown colonies by looking for staining of guano on the white ice, which can be visible from space if there are enough penguins gathered in one place.
Satellites help scientists identify emperor penguin colonies by providing imagery that shows the staining of guano on the white ice, which indicates the presence of a colony.
Satellite tracking has revealed that emperor penguins travel over 100km a day to find food for their young.
The findings of these new colonies have been published in the journal Antarctic Science.
π§βοΈ Listen and Fill in the Gaps:
Four new penguin colonies have been discovered in Antarctica satellite imagery, bringing the number of known nesting sites to 66. This is important information for conservationists who are monitoring the species, as emperor penguins are facing increasing pressure due to change. These penguins breed and raise their young on fast ice, which has been diminishing and becoming more variable in recent years. The discovery of these new colonies is encouraging, but it also highlights the need for the penguins to be adaptable and move to new as ice conditions continue to change. Emperor penguins are the species of penguin and live in extreme conditions in Antarctica. They breed in distinct , with colonies separated by an average distance of 250km. Scientists have been using satellites to search for unknown colonies in the gaps between these groupings. The four new sites that have been found add a few thousand individuals to the estimated population of 550,000. It is clear that the penguins will have to be adaptable and move to new sites as ice conditions change, as evidenced by the shifting positions of some . have been the most effective tool for finding emperor penguin colonies due to the size and remoteness of Antarctica. The colonies are identified by the staining of their guano on the white ice, which can be visible even from space if there are enough penguins gathered in one place. Dr. Peter Fretwell from the British Antarctic has identified about half of the known colonies using satellite imagery. The imagery from the EU's Sentinel-2 spacecraft has allowed scientists to monitor the attempts by emperors to establish a new near Britain's Halley research station. The of these new emperor penguin colonies highlights the dynamic nature of the species. When ice losses occur in the future, the penguins have the ability to move and establish new nesting sites. Satellite tracking has provided into the distances the penguins travel to find food for their , with adults traveling over 100km a day. The findings of these new colonies have been published in the journal Antarctic Science.
π¬ Discussion Questions:
1. What is the significance of discovering new emperor penguin colonies in Antarctica?
2. How would you feel if you were a conservationist monitoring the species and discovered new colonies?
3. Do you think climate change is the main reason why emperor penguins are facing increasing pressure?
4. Why do you think emperor penguins breed and raise their young on fast ice?
5. What do you think it means for the penguins to be adaptable and move to new sites as ice conditions change?
6. How would you feel if you had to live in extreme conditions like emperor penguins?
7. Do you like penguins? Why or why not?
8. What do you think it means for the penguins to be adaptable and move to new sites as ice conditions change?
9. How do you think satellites have been the most effective tool for finding emperor penguin colonies?
10. Why do you think the colonies are identified by the staining of their guano on the white ice?
11. How would you feel if you were a scientist using satellite imagery to search for unknown colonies in Antarctica?
12. Do you think it is important for scientists to monitor the attempts by emperors to establish new colonies?
13. Why do you think the discovery of these new emperor penguin colonies highlights the dynamic nature of the species?
14. How do you think satellite tracking has provided insights into the distances the penguins travel to find food for their young?
15. What do you think the future holds for emperor penguins as ice losses occur?
Individual Activities
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π΅οΈ True or False Questions:
π Write a Summary:
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