How to Attract the Birds You Want to Your Weight-Sensitive Feeder, While Discouraging Red and Gray Squirrels, Chipmunks and Larger Birds
Many weight-sensitive feeders on the market allow you to choose the type of birds you want. Wondering how to set your weight-sensitive feeder to keep out gray squirrels? First, you have to know their weight and adjust your feeder accordingly.
The Bird Weights of Common Backyard BirdsView the following chart to determine which birds to allow at your weight-sensitive feeder.
Please note, the birds and critters on this chart appear in order of weight with the largest appearing first. You can also adjust your view of this chart by clicking on the arrows at the top of each column to sort by ascending or descending order.
Feel free to search this list by entering the name of the bird or critter you're looking for in the "Search" box in the top right-hand corner of the chart below.
|Name of Bird / Critter||Weight (oz)||Weight (g)|
|Gray Squirrel||14 - 28.2||400 - 800|
|Red Squirrel||6.9 - 10||195 - 282|
|Northern Flicker||3.9 - 5.6||110 - 160|
|Mourning Dove||3.4 - 6||96 - 170|
|American Robin||2.7 - 3||76 - 85|
|Common Grackle||2.6 - 5||73 - 142|
|Blue Jay||2.5 - 3.5||70 - 100|
|Chipmunk||2.2 - 5.3||66 - 150|
|European Starling||2.1 - 3.4||59 - 96|
|Red-bellied Woodpecker||2 - 3.2||56 - 91|
|Evening Grosbeak||1.9 - 2.6||53 - 74|
|Northern Cardinal||1.5 - 1.7||42 - 48|
|Hairy Woodpecker||1.4 - 3.4||39 - 96|
|Rose-breasted Grosbeak||1.4 - 1.7||39 - 49|
|Baltimore Oriole||1.1 - 1.4||31 - 40|
|Eastern Bluebird||1 - 1.1||28 - 32|
|House Sparrow||1||27 - 29|
|Downy Woodpecker||0.7 - 1||19 - 28|
|Dark-eyed Junco||0.6 - 1.1||17 - 31|
|Purple Finch||0.6 - 1.1||17 - 32|
|White-breasted Nuthatch||0.6 - 1.1||17 - 31|
|House Finch||0.6 - 1||17 - 28|
|Tufted Titmouse||0.6 - 0.9||17 - 26|
|Carolina Wren||0.6 - 0.8||17 - 23|
|American Goldfinch||0.4 - 0.7||11 - 20|
|Indigo Bunting||0.4 - 0.6||11 - 17|
|Black-capped Chickadee||0.3 - 0.5||8 - 14|
Feel free to download this chart of bird weights as a PDF file.
Photo featured above is the 7536 Absolute II Bird Feeder, available at duncraft.com.
SOURCES AND INTERESTING LINKS:
“How much do wild birds visiting bird feeders weigh?” Droll Yankees. 2019. Feb. 21, 2019. <http://drollyankees.com/how-much-do-wild-birds-visiting-bird-feeders-weigh/>.
“Weights and Wing Areas in North American Birds,” Poole, Earl L. 1938. Feb. 21, 2019. <https://sora.unm.edu/sites/default/files/journals/auk/v055n03/p0511-p0517.pdf>.
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