Bluebirds vs Blue Jays

A pair of bluebirds have nested in one of the front gate posts and had 3 nestlings they were feeding. Unfortunately a blue jay caught on and had been stalking the nest. The pair had been attacking the blue jay, taking it all the way to the ground until it would give up and take off.

Unfortunately on Father’s Day, the bluebird father was killed defending the nest. The blue jay was found eating the father in front of the nest. I don’t know that the blue jay directly killed the bluebird, it may have been an accident, but the outcome was the same. The mother now has sole responsibility for the the remaining two nestlings. Based on when I saw her incubating them (may not have been the 1st day) they could be ready to fledge as early as the June 23rd or it could be closer to July 1st.

After the body was removed, I made a predator guard for the nest using hardware cloth. [Plans for a Noel Guard can be found at various sites including Cornell’s NestWatch sites: https://nestwatch.org/learn/all-about-birdhouses/features-of-a-good-birdhouse/ or the VA Bluebird Society site: http://www.virginiabluebirds.org/about-bluebirds/nest-boxes-guards-signs/ ]

After watching for an hour, the mother still couldn’t figure out how to get into the house so I removed the guard. All I can do is keep the bird feeders behind the house well stocked and watch for any further attacks. There are lots of youngsters coming to the feeders with their parents right now including blue jays.

As of June 20th the mother is feeding them regularly and the nestlings look like they are doing well. Another pair of bluebirds has shown up in her area and I’m watching closely for any issues between them that would effect the nestlings.

Last updated: June 20, 2019

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