Seasonally, bluebirds eggs in April and May (possibly in March for southern states). After the nest is complete, a bluebird may begin laying immediately or after a “bluebird honeymoon.” She will usually lay one egg per day, often in the mornings. Therefore, it is important to consider these things and more when monitoring or hosting your bluebirds.
Tag: BBlifecycle
Bluebirds Mate for Life Socially, But Sexually – That’s Another Story
Bluebirds often socially mate for life. However bluebirds will also engage with others who they are not socially bonded to. Molecular studies have confirmed some bluebird nestlings are from another male, though percentages of how often this happens vary widely between studies.
Eastern Bluebird Migration Plus 4 Ways To Help
Eastern bluebirds are considered partial migrators. Depending on the area of residence, individual bluebirds will likely reside in their location year-round. However flocks may migrate for better resources such as mating ability, food, roosting shelter or to escape the cold.
Songbird Eggs May Survive Short Periods of Freezing Weather – Here is Why
There are many systems in place that ensure the survival of bird eggs survival during short snaps of freezing weather. These systems include the mother bird’s ability to detect egg temperature with her brood patch, the ability for older embryos to produce heat, and the insulative nature of the nest.