The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds, right in your pocket. Built for all experience levels, it will help you identify the birds around ...

Abstract: This paper presents the development and application of a flexible directional strain sensor designed using a combination of kirigami and Corrugated structures to improve stretchability, ...

But vision is just the beginning. Once a bird discovers your feeder, the real network begins. Birds are constantly watching each other, especially during food shortages. A chickadee or titmouse ...

As a global Partnership, we believe in internationalism. We have translated as much content in your language as our resources allow. Please visit the English language site to view all of our content.