Fall 2006 September to December Report Sightings Maps Fall 2006 Calendar Year-at-a Glance Fall Sunlight Plants Migrations Photoperiod (Mystery Class) Fall 2006 Current Tulip Gardens Fall 2006 Current Whooping Crane Fall 2006 Current Monarch Butterfly Fall 2006 Current Symbolic Migration Fall 2006 Current Changes in sunlight drive all seasonal change. Plants and animals around the globe must respond. Journey North explores the interrelated aspects of seasonal change. Also: Phenology Observations Weather and Climate   Fall Nature Notes Join us for this fall's investigations, and get ready for Spring 2007! Spring Sunlight Plants Migrations Photoperiod (Mystery Class) Tulip Gardens Whooping Crane Monarch Butterfly Symbolic Migration Bald Eagle Gray Whale Hummingbird American Robin Weather and Songbird Migration Habitat Projects Also see: Weather and Climate Other Signs of Spring Facebook Pinterest Twitter © 1997 – 2019 Journey North. All rights reserved.