Spilling Thought: It’s #NationalBirdDay! Besides being a source of beauty and inspiration, #birds are an important part of our ecosystem. Many species are at risk because of habitat loss, disease and climate change. Public education and conservation are the best tools to ensure a better future for these wonderful animals. This great horned #owl wants to know what you think. Photo by Dennis Demcheck, U. S. Geological Survey (@usgs ). by usinterior