The Bohemian Waxwings in this photo can be seen enjoying berries, their favorite source of food. These little guys can eat huge numbers of berries with each bird sometimes consuming several hundred a day which is more than double its own weight.
Fruit is rich in sugar but deficient in other nutrients, so Bohemian waxwings must eat it in large quantities. These birds have a large liver which helps to convert sugar to energy. They can metabolize alcohol produced from the fermentation of those sugary fruits more efficiently than humans, but may still become drunk! Image credit @jens_stahl on Instagram.