eeting is the World Athletics Championships, which incorporates track and field, marathon running and race walking. Other top level competitions in athletics include the World Athletics Cross Country Championships and the World Athletics Road Running Championships. Athletes with a physical disability compete at the Summer Paralympics and the World Para Athletics Championships.

orcas

Orcas, also known as killer whales, are highly intelligent and social marine mammals renowned for their complex behaviours and diverse hunting techniques. They live in tight-knit family groups called pods, which are matrilineal and often consist of multiple generations. These pods exhibit sophisticated social structures and cooperative hunting strategies, such as coordinated attacks on prey and intricate vocalizations for communication. Orcas are also known for their adaptability, displaying different hunting methods depending on their prey and environment. Their behaviours reflect not only their intelligence but also their intricate social bonds and ability to thrive in various marine ecosystems.

Orcas exhibit a remarkable array of hunting techniques, showcasing their adaptability and intelligence. Depending on their pod’s cultural practices and the type of prey they target, orcas employ various strategies to maximize their success. Some pods use sophisticated cooperative methods, such as creating waves to wash seals off ice floes or working together to herd schools of fish into tight clusters. In other instances, orcas demonstrate individual hunting skills, like breaching to disorient prey or using their powerful tails to stun fish. Their diverse techniques highlight not only their ingenuity but also their ability to adapt to different marine environments and prey types.

Orcas possess an intricate system of vocalizations that plays a crucial role in their communication and social interactions. Each pod has its own unique set of calls, which function like a dialect and helps maintain cohesion within the group. These vocalizations include clicks, whistles, and pulsed calls that convey information about identity, location, and emotional states. Orcas use these sounds to coordinate hunting efforts, navigate their environment, and strengthen social bonds. Their ability to produce and interpret a wide range of vocalizations underscores their advanced cognitive abilities and the importance of sound in their complex social structure.