Explain the basic concept of migration in hummingbirds, including why and how they undertake these long journeys to find food and suitable breeding grounds.
Detail the migration habits of various hummingbird species, such as the Ruby-throated Hummingbird, Black-chinned Hummingbird, and Anna’s Hummingbird, highlighting their distinct routes and timing.
Discuss the seasonal timing of hummingbird migration, including when they typically depart and return, and how these patterns can vary depending on geographic location and environmental conditions.
Explore how hummingbirds navigate their migration routes, including their use of landmarks, the sun, and the Earth's magnetic field, as well as their remarkable memory for feeder locations and flower patches.
Examine the environmental and climatic factors that impact migration, such as temperature changes, food availability, and weather patterns.
Describe the physical changes hummingbirds undergo to prepare for migration, including changes in fat reserves, muscle development, and alterations in metabolism to support their energy needs.
Outline common migration routes and flyways used by hummingbirds, such as the journey from North America to Central and South America, and the challenges they face along these paths.
Identify the challenges and threats hummingbirds encounter during migration, including habitat loss, climate change, predation, and human-made obstacles like glass windows and power lines.