You might not think of birds as sustainability gurus, but they have a lot to teach us about being green.
Birds are the ultimate green builders; they use locally grown, sustainably harvested, biodegradable materials in the form of twigs, mud and grasses. Birds practice natural insect control. In fact, they are natural insect control. Birds eat locally. They also reuse by taking over abandoned nests from other species. Recycling for birds means scavenging what others pass over — think turkey vultures.