In the McEwan lab, we are studying Callery pear. This tree was a favorite of home owners and developers for many years, but recently has become a serious problem in natural areas. In fact, Callery pear is now banned in the State of Ohio! You can learn more about Callery pear at this link.
An important way that Callery pear is getting into habitats is through dispersal of the fruits by animals. We hypothesize that birds are a critical aspect of the biology of Callery pear; however, we do not know which birds specifically utilize Callery pear. We want to know more and we need your help.
Calling all birders! We need help from the birding community to understand which birds are eating Callery pear. If you make an observation of Callery pear being eaten by a bird, please upload it into our form (link is below). We will collate all of the information we get and develop a report on which bird species are helping to move this plant into habitats. Also, if you notice any other animal eating the fruits, please upload those images as well! For example, we have found squirrels seem to like the fruits!
If you have any observations of birds, or other wildlife consuming Callery pear, please share them with us at the link below! You will be taken to a google form where you can upload your photo and describe your observation. Happy hunting all!
Click here to Share your Observations
Any questions – please email Dr. McEwan at: ryan.mcewan@udayton.edu
The McEwan Laboratory 
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We have a large Callery pear in front of the school I teach at. I see robins eating the fruit. In early December I witnessed at least 5 robins on the tree feasting one morning. I look forward to the destruction of this tree. As it is, it is over 4o years old.
Thank you for sharing!
Our dogs (beagles) eat the Callary pears off the sidewalks here in Westerville, Ohio. So that leads me to believe that other mammals like fox and coyote would eat them, too!
wow! This is a very interesting observation. Thank you for sharing.
Do you want observations just from the Miami Valley area or are you looking wider throughout Ohio?
Throughout Ohio would be great!