Ruby-crowned Kinglet
First of the season
Metabolic studies on Ruby-crowned Kinglets suggest that these tiny birds use only about 10 calories (technically, kilocalories) per day.
Hard to believe the way they never sit still.
744
views
50
faves
12
comments
Uploaded on September 27, 2022
Taken on September 25, 2022
Ruby-crowned Kinglet
First of the season
Metabolic studies on Ruby-crowned Kinglets suggest that these tiny birds use only about 10 calories (technically, kilocalories) per day.
Hard to believe the way they never sit still.
744
views
50
faves
12
comments
Uploaded on September 27, 2022
Taken on September 25, 2022