Merops apiaster

By Marekiaro | plant&animalife | 4 May 2021

European bee-eaters (Merops apiaster) have a broad distribution covering much of Europe and Africa with range estimates up to 11,000,000 square km. These migratory birds can be found as far north as Finland and range as far south as South Africa, extending east into some Asiatic countries as well. Most commonly, European bee-eaters will breed and nest in southern Europe, then migrate south during autumn and winter.


European bee-eaters are commonly found near freshwater systems and inhabit a variety of habitat types such as forest, savanna, shrubland, grassland, and agricultural areas. The habitat for nesting can be specific involving only river systems or gravel pits with steep exposed banks. European bee-eaters have also been found to dig burrows directly into the ground. Food availability can determine the habitat occupied by European bee-eaters. Many agricultural fields use bee-hives for pollination and M. apiaster will frequent those areas. 


European bee-eaters are mid-sized insectivores that have dark, thick, and slightly downward curved bills. A bright yellow chin and throat patch meet a blue chest that extends down to the flanks and belly. Dark lores and eye-stripe are contrasted by a white patch above the upper mandible and lower white eye-stripe extending from the lower mandible. A dark chestnut color covers the crown and nape, becoming lighter in color on the back. Upper tail coverts are variable, ranging from green to blue, with most of the tail being blue. Wing lengths average 44 cm for males and 49 cm for females. Weights of European bee-eaters are similar in males and females and range from 44 to 78 g. Total body length ranges from 27 to 30 cm.


Males and females, very similar in coloration, can be distinguished by the hue of the greater coverts, being a chestnut in males and greenish-blue in females, and by the median coverts, where males are a chestnut and females have a greenish hue. Juveniles can be distinguished from adults by the color of the iris. In mature adults the iris is a vibrant red and juveniles will have a grayish-olive-red color. Also, the chestnut color found in adults is only green in juveniles.


European bee-eaters are monogamous and will generally stay together from year to year if both survive. Courtship feeding has been observed of some male European bee-eaters, where the male will bring food to the female a couple days before, during, and after egg laying. Roughly 20% of nesting pairs have 1 to 4 helpers that exhibit cooperative breeding, where a non-breeding male, likely a close relative, will assist the nesting pair by sitting on the nest and catching prey for young.


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