"Spring migration is peaking as birds race from their southern wintering grounds to their breeding grounds in the north. This is the moment bird-watchers have been waiting for."
"The Tree Swallows arrived in March and are now building their nests with grasses and pine needles from the surrounding fields. The Blue-gray Gnatcatchers followed in April."
"If I hear a call or song I don't recognize, I may consult the Merlin bird app, which has a sound identification feature that's like Shazam for bird vocalizations."
"Data on sightings of banded birds allow scientists to track changes in bird populations, behaviors and environments."
Spring migration is at its peak as birds travel from southern wintering grounds to northern breeding areas. This period is particularly exciting for bird-watchers in the Northern Hemisphere, as many species return to nest. In the northeastern U.S., Tree Swallows and Blue-gray Gnatcatchers have already arrived. Bird-watchers can use apps like Merlin for sound identification, although personal observation is recommended. Observations of banded birds contribute to scientific data on bird populations and behaviors, enhancing understanding of avian ecology.
Read at www.scientificamerican.com
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