LingVo.club
Level
30-year snapshot shows many Pacific Northwest birds resilient — a bird perched on top of a tree branch

30-year snapshot shows many Pacific Northwest birds resilientCEFR A1

5 Dec 2025

Adapted from Unknown author, Futurity CC BY 4.0

Photo by Anastasiya Dalenka, Unsplash

AI-assisted adaptation of the original article, simplified for language learners.

  • A 30-year study looked at Pacific Northwest birds.
  • Benjamin Freeman led the new research in mountains.
  • He found an older study by Louise Waterhouse.
  • He used her hand-drawn maps and local knowledge.
  • Field teams walked to the old field sites.
  • They worked early in the morning and in snow.
  • Birds were counted during breeding season in May and June.
  • Temperatures rose but most bird populations stayed stable.
  • Old-growth forest may help birds adapt and survive.

Difficult words

  • researchcareful study to learn new information
  • mapa drawing that shows places or land
    maps
  • countto find the number of things
    counted
  • temperaturehow hot or cold the air is
    Temperatures
  • populationthe number of animals in an area
    populations
  • old-growth foresta very old natural forest with large trees
  • breeding seasontime when animals make and care for young
  • adaptto change to live better in conditions

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Do you like birds?
  • Have you seen birds in May or June?
  • Have you walked in a forest?

Related articles