CAMPBELL HALL — The Friends of the Orange County Arboretum will host “Feeding Backyard Birds for Children” from 1-2 p.m. Jan. 27 in the Kosuga Greenhouse classroom at the Arboretum in the Thomas Bull Memorial Park off Grove Street in Campbell Hall.Children will have the opportunity to learn about the different types of birds that live in their backyards and how to make simple bird feeders to attract them.