Despite the name, these invasive birds are not actually sparrows but weaver finches, related to other weavers in Africa and elsewhere. European Starling Starlings, which are from Europe and Asia, ...

The birds were eliminated when the invasive brown treesnake was accidentally introduced to the island of Guam in the ’40s.

What foods do warblers eat? See which types of warblers might visit your bird feeders for suet, mealworms and sugar water.