tree swallow
A tree swallow at its nest in a tree cavity in Sequoyah County. JIM ARTERBURN/Courtesy
tree swallow
A tree swallow leaves its nest in a tree cavity in Sequoyah County. JIM ARTERBURN/Courtesy
Posted: Sunday, September 25, 2016 12:00 am
TulsaWorld.com
Have you heard the dietary advice to eat better-quality foods and not so much of low-quality foods?
Perhaps not surprisingly, food quality has also been shown to be important for young birds. A recently published study looking at diets of young tree swallows has concluded that it is not just the quantity of food that is important to young swallows but also the quality of the food.
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Swallows raised with high quality fats such as those present in aquatic insects grew faster and were healthier than swallows raised with lower quality foods, even if the birds on the low quality diet were given more food overall.
“You are what you eat” seems to apply to birds as well as people, and it also has implications for protecting bird habitats. Maintaining high quality aquatic habitats may be important for sustaining healthy populations of insectivorous birds through providing the healthiest kinds of insects instead of forcing birds to rely on the “junk food insects” produced in less desirable habitats.
Read more at tulsaworld.com/outdoors
Dan Reinking is a senior biologist at the Sutton AvianResearch Center in Bartlesville. Contact him at dan@suttoncenter.org or visit suttoncenter.org.
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