The word chlorosis is derived from the Greek - kloros - meaning "greenish-yellow".This condition is when leaves produce insufficient chlorophyll. Because the pigment chlorophyll is what makes leaves green - chlorotic leaves look pale, yellow, or yellow-white. Many time the inter-venal tissue is also lighter than the rest of the leaf. This color contrast is a clear indicator of chlorosis. 

New York City is a key stop on the migration route for the yellow-bellied woodpecker, also called sapsuckers. While most head to warmer climates like Georgia, a few find our urban green spaces so enticing they stay for the winter, even in spots like Manhattan’s Union Square. Click to learn more about these feathered travelers!