https://www.usgs.gov/publications/wetland-use-and-feeding-lesser-scaup-during-spring-migration-across-upper-midwest-usa
Low food availability and forage quality and concomitant decreased lipid reserves of lesser scaup (Aythya affinis; hereafter scaup) during spring migration in...
lesser scaupspring migrationwetlandusefeeding
https://www.fws.gov/event/cedar-point-national-wildlife-refuge-spring-migration-bus-tours-6
Take the Blue Goose Bus to Cedar Point National Wildlife Refuge to experience the wonders of Spring migration in northwest Ohio. Cedar Point NWR is closed to...
national wildlife refugecedar pointspring migrationbus tours
https://www.wbur.org/news/2025/12/29/concord-bird-migration-patterns-shift-thoreau-history
Dec 29, 2025 - While scientists said it’s good news that birds appear to be adjusting to warming temperatures, they cautioned the shift might not be happening fast enough...
spring bird migrationconcordweekearlier
https://www.usgs.gov/publications/feeding-ecology-arctic-nesting-sandpipers-during-spring-migration-through-prairie
We evaluated food habits of 4 species of spring-migrant calidrid sandpipers in the Prairie Pothole Region (PPR) of North Dakota. Sandpipers foraged in several...
spring migrationfeedingecologyarcticnesting
https://hummingbirdcentral.com/
Hummingbirds of the world, spring 2026 hummingbird migration map, hummingbird tracker, photographs, videos, hummingbird gardening, feeders, tracker, albino...
hummingbird speciesspring migrationworldmap