Each map is a visual guide to where a particular bird species may find the climate conditions it needs to survive in the future. We call this the bird’s “climatic range.”
The colors indicate the season in which the bird may find suitable conditions— blue for winter, yellow for summer (breeding), and green for where they overlap (indicating their presence year-round).
The darker the shaded area, the more likely it is the bird species will find suitable climate conditions to survive there.
The outline of the approximate current range for each season remains fixed in each frame, allowing you to compare how the range will expand, contract, or shift in the future.
The first frame of the animation shows where the bird can find a suitable climate today (based on data from 2000). The next three frames predict where this bird’s suitable climate may shift in the future—one frame each for 2020, 2050, and 2080.
You can play or pause the animation with the orange button in the lower left, or select an individual frame to study by clicking on its year.
The widely distributed Willow Flycatcher favors willows, not surprisingly, but also a broad array of other environments—basically anywhere with extensive shrubby growth that isn’t too dry. Audubon's climate model forecasts an 84 percent loss of current summer range by 2080, with a major northward movement of the range. Some of the more widespread and northern populations may adapt to newly available climate space, but others will not. Of particular concern is the “Southwestern” Willow Flycatcher, already endangered, and currently distributed east to New Mexico, and west to southern California.
Explore more birds threatened by climate change around the country.
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