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Migratory birds How do coastal wetlands support migratory birds?

Trace flyways, tidal feeding, stopover energy, disturbance, monitoring, and conservation through coastal wetlands used by migratory birds.

lessons

~20 min

to learn

🔬 Science

subject

Adults

level

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What you’ll learn

Wetlands are migration infrastructureExplain how coastal wetland zones, tides, flyways, and roosts make migration possible.A wetland is a timed network of feeding, resting, and sheltering places within a larger flyway.
Food pays for the journeyConnect prey, sediment, vegetation, bills, and energy storage to migrant success.Birds turn accessible wetland food into the energy needed for long movements.
Birds need the whole annual cycleRelate stopovers to breeding, wintering, weather refuges, and connected wetland networks.Bird conservation follows birds across seasons and across the chain of places they use.
People change bird habitatDescribe how disturbance, pollution, sea-level rise, and restoration alter bird habitat functions.Human actions change not only wetland area but also the timing, safety, and accessibility of habitat.
Monitoring turns sightings into evidenceUse standardized counts, behavior, remote sensing, and shared monitoring to evaluate bird habitat.Bird observations become stronger evidence when paired with repeatable methods and habitat conditions.

Questions this course answers

Why is a coastal wetland more than a scenic place for migrants?

A stopover has value because birds can complete particular tasks there at the right time.

Put the tidal-use sequence in order.

Tide changes first, then feeding and roosting opportunities change with it.

Why can a large mudflat still be poor migration habitat?

Area does not guarantee that prey can be reached at the time birds need it.

Match each feature with its migration function.

Different wetland features support different parts of the bird energy budget.

Why must conservation consider more than one wetland?

Migration is an annual sequence whose links can fail if one place is lost.

Put a simple energy-based migration pathway in order.

A usable stopover converts food into the energy needed for the next movement.

Grounded in trusted sources

U.S. Environmental Protection Agency, About Coastal Wetlands, https://www.epa.gov/wetlands/about-coastal-wetlands
U.S. Fish and Wildlife Service, Essential Habitats, https://www.fws.gov/wetlands-month/essential-habitats
U.S. Environmental Protection Agency, Migratory Bird Initiatives, https://www.epa.gov/wetlands/migratory-bird-initiatives
U.S. Geological Survey, Biogeographical profiles of shorebird migration in midcontinental North America, https://www.usgs.gov/publications/biogeographical-profiles-shorebird-migration-midcontinental-north-america
U.S. Environmental Protection Agency, About the Great Lakes Coastal Wetland Monitoring Program, https://www.epa.gov/great-lakes-monitoring/about-great-lakes-coastal-wetland-monitoring-program-cwmp
U.S. Environmental Protection Agency, Basic Information about Wetland Restoration and Protection, https://www.epa.gov/wetlands/basic-information-wetland-restoration-and-protection

Every Wunder lesson is built from real, reputable sources — never invented.

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