Have you ever imagined being able to chat across deep valleys just by whistling? The IELTS reading passage “Silbo Gomero” takes us to the Spanish island of La Gomera to explore such a unique language. This is a fascinating read that blends culture, history, and neuroscience. In this article, ECE will provide an in-depth analysis of the entire passage, offering answers with detailed explanations and a summary of key vocabulary to help you master this reading task effectively.

Detailed Reading Passage and Questions: Silbo Gomero
Reading Content
(Paragraph 1) La Gomera is one of the Canary Islands situated in the Atlantic Ocean off the northwest coast of Africa. This small volcanic island is mountainous, with steep rocky slopes and deep, wooded ravines, rising to 1,487 metres at its highest peak. It is also home to the world’s most famous whistle ‘language’, a means of transmitting information over long distances which is perfectly suited to the island’s rugged terrain.
(Paragraph 2) This ‘language’, known as ‘Silbo’ or ‘Silbo Gomero’ – from the Spanish word for ‘whistle’ – is now shedding light on the language-processing abilities of the human brain, according to scientists. Researchers say that Silbo activates parts of the brain normally associated with spoken language, suggesting that the brain is remarkably flexible in its ability to interpret sounds as language.
(Paragraph 3) ‘Science has developed the idea of brain areas that are dedicated to language, and we are starting to understand the scope of signals that can be recognised as language,’ says David Corina, co-author of a recent study and associate professor of psychology at the University of Washington in Seattle.
(Paragraph 4) Silbo is a substitute for Spanish, with individual words recoded into whistles which have high- and low-frequency tones. A whistler – or silbador – puts a finger in his or her mouth to increase the whistle’s pitch, while the other hand can be cupped to adjust the direction of the sound. ‘There is much more ambiguity in the whistled signal than in the spoken signal,’ explains lead researcher Manuel Carreiras… Because whistled ‘words’ can be hard to distinguish, silbadores rely on repetition, as well as awareness of context, to make themselves understood.
(Paragraph 5) The silbadores of Gomera are traditionally shepherds and other isolated mountain folk, and their novel means of staying in touch allows them to communicate over distances of up to 10 kilometres. Carreiras explains that silbadores are able to pass a surprising amount of information via their whistles. ‘In daily life they use whistles to communicate short commands, but any Spanish sentence could be whistled.’ Silbo has proved particularly useful when fires have occurred on the island and rapid communication across large areas has been vital.
(Paragraph 6) The study team used neuroimaging equipment to contrast the brain activity of silbadores while listening to whistled and spoken Spanish. Results showed the left temporal lobe of the brain… was engaged during the processing of Silbo… When the experiments were repeated with non-whistlers, however, activation was observed in all areas of the brain.
(Paragraph 7) ‘Our results provide more evidence about the flexibility of human capacity for language in a variety of forms,’ Corina says… ‘The non-Silbo speakers were not recognising Silbo as a language. They had nothing to grab onto, so multiple areas of their brains were activated.’
(Paragraph 8) Carreiras says the origins of Silbo Gomero remain obscure, but that indigenous Canary Islanders… already had a whistled language when Spain conquered the volcanic islands in the 15th century… There are thought to be as many as 70 whistled languages still in use, though only 12 have been described and studied scientifically. This form of communication is an adaptation found among cultures where people are often isolated from each other…
(Paragraph 9) But with modern communication technology now widely available, researchers say whistled languages like Silbo are threatened with extinction. With dwindling numbers of Gomera islanders still fluent in the language, Canaries’ authorities are taking steps to try to ensure its survival. Since 1999, Silbo Gomero has been taught in all of the island’s elementary schools. In addition, locals are seeking assistance from the United Nations… ‘The local authorities are trying to get an award from the organisation to declare [Silbo Gomero] as something that should be preserved for humanity,’ Carreiras adds.
Questions
Questions 14-19 (True/False/Not Given) Do the following statements agree with the information given in Reading Passage?
- La Gomera is the most mountainous of all the Canary Islands.
- Silbo is only appropriate for short and simple messages.
- In the brain-activity study, silbadores and non-whistlers produced different results.
- The Spanish introduced Silbo to the islands in the 15th century.
- There is precise data available regarding all of the whistle languages in existence today.
- The children of Gomera now learn Silbo.
Questions 20-26 (Note Completion) Complete the notes below. Choose ONE WORD ONLY from the passage for each answer.
Silbo Gomero How Silbo is produced
- high- and low-frequency tones represent different sounds in Spanish 20……………
- pitch of whistle is controlled using silbador’s 21……………
- 22………….. is changed with a cupped hand
How Silbo is used
- has long been used by shepherds and people living in secluded locations
- in everyday use for the transmission of brief 23……………
- can relay essential information quickly, e.g. to inform people about 24……………
The future of Silbo
- future under threat because of new 25……………
- Canaries’ authorities hoping to receive a UNESCO 26……………. to help preserve it
Summary of the Silbo Gomero Passage
The passage introduces Silbo Gomero, a unique “whistled language” on the Spanish island of La Gomera. It is a long-distance communication tool perfectly suited to the island’s rugged terrain. Scientific research shows that Silbo activates the same language-processing areas of the brain as spoken language, demonstrating the remarkable flexibility of the human brain.
The article describes how “silbadores” produce the sounds and how they use this language in daily life, especially during emergencies like fires. Although its origins are obscure, Silbo existed before the Spanish arrived. Currently, like many other whistled languages worldwide, Silbo faces the threat of extinction due to modern technology. However, local authorities are working to preserve it by incorporating it into school curricula and seeking recognition from UNESCO.
Key Vocabulary and Structures
- Shedding light on (idiom): To provide information or understanding about something.
- Flexible (adj): Capable of bending easily or adapting to new circumstances.
- Ambiguity (noun): The quality of being open to more than one interpretation; inexactness.
- Neuroimaging (noun): The use of various techniques to directly or indirectly image the structure or function of the brain.
- Modality (noun): A particular mode or form of something.
- Obscure (adj): Not discovered or known about; uncertain.
- Indigenous (adj): Originating or occurring naturally in a particular place; native.
- Threatened with extinction (phrase): At risk of disappearing forever.
- Dwindling (adj): Gradually diminishing in size, amount, or strength.
Answer Key and Detailed Explanations
Questions 14-19
14. NOT GIVEN
- Keywords: most mountainous, all the Canary Islands.
- Evidence (Paragraph 1): “This small volcanic island is mountainous… rising to 1,487 metres at its highest peak.”
- Explanation: The passage only states that La Gomera is “mountainous,” but it does not compare it to other islands to claim it is the “most mountainous.”
15. FALSE
- Keywords: only appropriate for short and simple messages.
- Evidence (Paragraph 5): “…but any Spanish sentence could be whistled.”
- Explanation: The passage notes that while Silbo is used for short commands in daily life, “any Spanish sentence could be whistled.” This contradicts the claim that it is “only” appropriate for short messages.
16. TRUE
- Keywords: silbadores and non-whistlers, different results.
- Evidence (Paragraph 6): For silbadores, “the left temporal lobe… was engaged.” For non-whistlers, “…activation was observed in all areas of the brain.”
- Explanation: The brain activity results for the two groups were clearly different.
17. FALSE
- Keywords: Spanish introduced Silbo.
- Evidence (Paragraph 8): “…indigenous Canary Islanders… already had a whistled language when Spain conquered the volcanic islands in the 15th century.”
- Explanation: The whistled language existed among indigenous people before the Spanish arrived.
18. FALSE
- Keywords: precise data, all of the whistle languages.
- Evidence (Paragraph 8): “There are thought to be as many as 70 whistled languages still in use, though only 12 have been described and studied scientifically.”
- Explanation: Only 12 out of 70 have been scientifically studied, meaning there is no precise data for “all” of them.
19. TRUE
- Keywords: children of Gomera, now learn Silbo.
- Evidence (Paragraph 9): “Since 1999, Silbo Gomero has been taught in all of the island’s elementary schools.”
- Explanation: Teaching it in all elementary schools means children on the island are now learning it.
Questions 20-26
20. words
- Keywords: Spanish…
- Evidence (Paragraph 4): “…with individual words recoded into whistles…”
- Explanation: High and low frequencies are used to recode Spanish “words.”
21. finger
- Keywords: pitch, controlled, silbador’s…
- Evidence (Paragraph 4): “A whistler – or silbador – puts a finger in his or her mouth to increase the whistle’s pitch…”
- Explanation: The whistler uses a “finger” to control the pitch.
22. direction
- Keywords: changed, cupped hand.
- Evidence (Paragraph 4): “…while the other hand can be cupped to adjust the direction of the sound.”
- Explanation: The hand is cupped to change the “direction” of the sound.
23. commands
- Keywords: transmission of brief…
- Evidence (Paragraph 5): “…use whistles to communicate short commands…”
- Explanation: In daily life, Silbo is used to transmit short “commands.”
24. fires
- Keywords: inform people about…
- Evidence (Paragraph 5): “Silbo has proved particularly useful when fires have occurred…”
- Explanation: Silbo is useful for informing people about “fires.”
25. technology
- Keywords: threat, new…
- Evidence (Paragraph 9): “…with modern communication technology now widely available… whistled languages like Silbo are threatened with extinction.”
- Explanation: The future of Silbo is threatened by modern communication “technology.”
26. award
- Keywords: receive a UNESCO…
- Evidence (Paragraph 9): “The local authorities are trying to get an award from the organisation…”
- Explanation: Authorities are seeking an “award” (or recognition) from the organization.
Conclusion
The “Silbo Gomero” passage is not just an English test; it is a window into a unique culture and fascinating discoveries about the human brain. In terms of skills, this passage is excellent practice for distinguishing between True/False/Not Given information and mastering Note Completion. Hopefully, with these detailed insights from ECE, you feel more confident and equipped with effective strategies to conquer similar reading tasks.






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