Acute Exogenous Corticosterone Treatments Have Few Effects on Courtship and Pair Bonding in Zebra Finches.

•Acute corticosterone treatment had no significant effect on pairing in zebra finches.•Corticosterone treatments increased pairing latency.•Corticosterone decreased time spent co-nesting with a bird of the opposite sex.•Corticosterone decreased copulations.•Corticosterone treatment did not alter general activity, measured by feeding.