The purpose of this resource is to To observe seasonal migration patterns, feeding habits, and nesting behavior of Ruby-throated Hummingbirds (Archilochus colubris) in North and Central America. All students will learn about hummingbird natural history and ecology. Students will learn how to identify and age male and female Ruby-throated Hummingbirds and to observe migration and feeding behavior. ... Full description.

The purpose of this resource is to develop an understanding of the relationship between budburst and the environment and to help students recognize actual budburst when they are doing the Green-Up protocol. Students will do simple explorations to observe the relationship between budburst and temperature. This is a winter or dry season activity to be done prior to green-up observations. Full description.

The purpose of this resource is to increase students' awareness of the qualitative changes in plants during green-up and green-down from which they will be collecting quantitative leaf change data, and to develop an understanding of the patterns and differences among plants at the same location. Students will observe, compare, and classify plants during green-up or green-down and then make inferences ... Full description.

The purpose of this resource is to develop an understanding of plants' response to light. Students will do simple investigations to observe plant responses to light. Full description.

The purpose of this resource is to observe when selected bird species first arrive at your study site, and to count the numbers until few or none of these birds are seen. Students select a common and easily identifiable bird species in their region and observe when the bird species first arrives. Students use binoculars or telescopes to scan a study site and count how many they see. They continue ... Full description.

The purpose of this resource is to have students observe their lilac plants and identify the five phenophases (first leaf, full or 95% leafed, first bloom, full bloom and end of bloom) for each lilac plant. During the growing season, students will observe their lilac plants and identify the five phenophases (first leaf, full or 95% leafed, first bloom, full bloom and end of bloom) for each lilac plant. ... Full description.

The purpose of this resource is to observe the flowering and leaf stages of selected garden plants throughout the year. After a phenological garden is planted, students observe the growth of leaves and blooming of flowers on the plants. These plants were selected because each plant blooms at a different time in the year. Full description.

The purpose of this resource is to classify and count the reproductive phenological phases of receptacles on selected seaweed species. Students will classify and count the reproductive phases of seaweed plants within a 1-meter x 1-meter plot in the inter-tidal zone. Full description.

The purpose of this resource is to observe budburst on selected trees at a Land Cover or Phenology Site. All students will learn about hummingbird natural history and ecology. Students will learn how to identify and age male and female Ruby-throated Hummingbirds and to observe migration and feeding behavior. Students will learn how to make connections among hummingbird behavior and weather, climate, ... Full description.

The purpose of this resource is to observe plant green-down and report greendown data to help validate estimates of the end of the plant growing season. Students monitor the change in color of selected leaves of trees, shrubs or grasses. Full description.