The Intelligence Of Corvids Ielts Reading Answers Extra Quality -

The following answers are based on the common IELTS Reading passage found on platforms such as IELTSMaterial and upGrad . Questions 1–3: Multiple Choice

: Specifically New Caledonian crows (like the famous "Betty") creating hooks from twigs or wire to retrieve food. Social Cooperation

Furthermore, in studies where ravens were taught to use a specific tool to open a puzzle box containing a reward, they would select that specific tool from a tray of useless objects even if the puzzle box was not present, keeping the tool for up to 17 hours because they knew it would be useful the following day. This proves that their choices are governed by a mental projection of future scenarios rather than immediate impulses. The following answers are based on the common

The IELTS reading passage titled " The Intelligence of Corvids

: Western scrub jays exhibit strategic thinking by re-hiding food if they realize they were watched by a potential competitor. IELTS Reading Answer Key & Explanations This proves that their choices are governed by

Experiments on corvids have revealed remarkable cognitive skills. New Caledonian crows display ______ by creating hooks from plant material. In relational matching tasks, they showed 7 ______ thinking, previously attributed only to primates. Meanwhile, ravens can deduce unobserved social rankings through a process called 8 ______.

An account of how birds track the degradation rates of different food items. New Caledonian crows display ______ by creating hooks

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

The neurological foundation of corvid intelligence lies not in the size of their brains in absolute terms, but in their encephalization quotient (EQ) and brain structure. While a crow's brain is roughly the size of a human thumb, its brain-to-body mass ratio is remarkably similar to that of a chimpanzee. More importantly, corvids lack the cerebral cortex found in mammals, which was long thought to be the mandatory engine for complex thought. Instead, corvids possess an densely packed cluster of neurons known as the nidopallium caudolaterale (NCL). This area acts as the avian equivalent of the prefrontal cortex, processing executive functions, working memory, and decision-making with extraordinary efficiency. Paragraph C

Terms like cognition, forage, innovative, and spatial awareness.

The intelligence of corvids has been extensively studied in recent years. One of the key findings is that corvids are able to use tools to obtain food. For example, crows have been observed using sticks to dig up grubs from the ground, while ravens have been seen using rocks to crack open nuts. This ability to use tools is not limited to just a few individuals, but is widespread across the corvid family.