koekoeks

Koekoeks, also known as cuckoos, are a group of birds belonging to the family Cuculidae. They are found in various habitats across the world, including forests, grasslands, and even urban areas. Koekoeks are known for their distinctive, loud calls, which are often used to attract mates and defend territories. These birds are brood parasites, meaning they lay their eggs in the nests of other bird species. The host birds then incubate and raise the koekoek chicks, which often resemble the host species' own young.

There are around 150 species of koekoeks, with the majority being found in the tropics. They vary in size, with some species being as small as 10 centimeters and others reaching up to 60 centimeters in length. Koekoeks have long tails, which they often fan out when perched, and their plumage can range from dull browns and greys to vibrant colors. Their diet primarily consists of insects, but they may also eat small vertebrates and fruits.

Koekoeks play an important role in their ecosystems, as they help to control insect populations and disperse seeds. However, their brood parasitic behavior can have negative impacts on other bird species, as it can reduce their reproductive success. Conservation efforts are in place to protect koekoeks and their habitats, as they are considered a species of least concern by the International Union for Conservation of Nature.