Have you ever seen birds such as cattle egrets or oxpeckers perched on the backs of antelope, cows, giraffes, or oxen, pecking at their skin?
Vai jums kādreiz ir gadījies redzēt tādus putnus kā lopu gārņus vai bifeļputnus tupam uz antilopju, govju, žirafu vai bifeļu mugurām un knābājam to ādu?