The Intelligence Of Corvids Ielts Reading Answers Extra Quality (720p)

Few animals pass the "mirror mark test," where a researcher places a colored mark on an animal's body that is only visible in a mirror. Magpies, a type of corvid, have passed this test, indicating a level of self-awareness previously only documented in humans, great apes, elephants, and dolphins.

— Recalling what happened, where it happened, and when it happened.

To hide or store away items (typically food or valuables) for future use.

The amount of brain mass related to the total body mass of a given animal.

One of the primary benchmarks used by researchers to assess higher-order intelligence is the capacity for tool manufacture and use. While many animals utilize objects in their environment, very few can manipulate or modify them to solve a specific problem. The New Caledonian crow ( Corvus moneduloides ) has become a classic model in this field of study. In laboratory experiments, these birds have been observed fashioning hooks out of straight pieces of wire to retrieve food from deep containers. This behavior requires a sophisticated understanding of cause and effect, as well as an ability to conceptualize a tool that does not yet exist in nature. Furthermore, wild New Caledonian crows routinely cut and shape twigs and stiff leaves into barbed probing tools to extract grubs from tree bark, displaying a level of technical dexterity that was once thought to be uniquely human. Few animals pass the "mirror mark test," where

Do the following statements agree with the information given in the reading passage?In boxes 7–10 on your answer sheet, write: if the statement agrees with the information FALSE if the statement contradicts the information NOT GIVEN if there is no information on this

The most stunning examples of avian intelligence come from the New Caledonian crow, a species renowned for its intricate tool-making abilities. Scientists have observed these crows in the wild crafting hooked tools from twigs to extract grubs from deep tree holes that their beaks cannot reach. They also fashion leaves into small spears to collect insects. Since these crows are highly social and their tool designs vary geographically, researchers initially assumed that these skills were cultural—learned by observing other crows.

The physical size of a crow’s brain is a disadvantage compared to primates.

The text states the direct opposite of the question statement. To hide or store away items (typically food

: Paragraph D details experiments where ravens chose a future token over immediate, low-value food. This exhibits deferred gratification and advanced future planning, as they kept the token for up to fifteen hours before using it.

Corvids, the family of birds that includes crows, ravens, magpies, and jays, have long been subjects of fascination for behavioral ecologists. Often appearing as a central topic in IELTS Academic Reading sections, their advanced cognitive abilities challenge traditional views on animal intelligence. This article provides a comprehensive overview of the intelligence of corvids, designed to help candidates prepare for IELTS-style questions, offering "extra quality" analysis and the key information required to answer related questions accurately. 1. Introduction to Corvid Cognitive Abilities

| Question | Correct Answer | Explanation | |----------|----------------|-------------| | 1 | B | Paragraph 2: “Unlike instinctive behaviours, this skill is learned and refined” | | 2 | B | Paragraph 3: “remember… how much time has passed” / “awareness of temporal decay” | | 3 | True | Paragraph 2: “rooks have been observed dropping stones… without training” (implied) | | 4 | True | Paragraph 4: “consorting with wolves… cooperative hunting” | | 5 | Not Given | Paragraph 5 mentions “neocortex” only to say planning does not require a highly developed one; no comparison of size with apes | | 6 | episodic memory | Paragraph 3: “Another hallmark… episodic memory” | | 7 | human faces | Paragraph 4: “recognise individual human faces” | | 8 | plan | Paragraph 5: “some studies suggest corvids can plan for the future” |

Social intelligence is another hallmark of corvids. Ravens have been observed manipulating competitors during food sharing. They lead rivals away from hidden carcasses using deceptive behavior, only to double back alone. This tactical deception requires "theory of mind"—the ability to infer another's knowledge state. While once considered unique to humans, theory of mind in corvids suggests convergent evolution: different brain structures solving similar ecological problems. While many animals utilize objects in their environment,

Watch for synonyms. For example, "retrieving food" might be paraphrased as "obtaining rewards" or "extracting grubs". Tips for "Extra Quality" Performance

Scientific research, particularly from the last two decades, has debunked the phrase "bird-brain" as a slur on intelligence. Instead, corvids have shown capabilities that rival those of primates. 1. Tool Use and Manufacture

For each question, choose the answer based on the information given in the passage.