The European bee-eater (Merops apiaster) is a near passerine bird in the bee-eater family, Meropidae. It is strongly migratory, wintering in tropical Africa. As its name indicates, it breeds in Europe, with good numbers still nesting on the Iberian Peninsula and into eastern Europe, as well as further westwards right across to China. They also nest in north Africa, and the entire population winters in Africa. Furthermore, some populations have recently started nesting in South Africa and Namibia. This species prefers warm, open countryside and their cheerful calls are often the best indication of the presence. European Bee-eaters can be found through-out Africa at the right time of year.
These bee-eaters are gregarious—nesting colonially in sandy banks, preferably near river shores, usually at the beginning of May. They make a relatively long tunnel, in which they lay five to eight spherical white eggs around the beginning of June. Both male and female care for the eggs, which they brood for about three weeks. They also feed and roost communally.
During courtship, the male feeds large items to the female while eating the small ones himself. Most males are monogamous, but occasional bigamy has been encountered.
Sources : https://www.10000birds.com/the-bee-eaters-of-africa.htm / Wikipedia