For much of the year, they wheel through the sky and mob lawns in big, noisy flocks. Starlings are very boisterous, and are always scaring away sapsuckers. Sapsuckers are important to other species of animals because it helps the animals like squirrels and bats get to the sap. Because of this, sapsuckers like the Yellow-Bellied Sapsucker are declining in population numbers. On top of eating sapsuckers, they also eat insects that are beneficial to crops, like spiders and worms. The Starling is loathed by farmers for their invasiveness, they destroy and eat crops and also use the orchards as nesting