Migration and Reproduction Law of Red-tailed Shrike in Mudanjiang Area

[Objective] To investigate the migration and reproduction law of Red-tailed Shrike in Mudanjiang area.[Method] The Botanical Garden of Mudanjiang Normal College was selected as observation point.The migration and reproduction law of red-tailed shrike were observed from 2004 to 2010.[Result] Red-tailed shrikes often arrive in Mudanjiang area from the end of April to early May.The first thing after male red-tailed shrikes arrived was to select territory and nest,and copulate with the females.Males fed their couples before females spawning.Incubation did not start until the last egg was spawned.The first egg hatched at 12 d,and all eggs hatched need 14 d.Parents still feed nestings for 15 d after nestings leave nest.After 25 d,nestings achieve full-fledged body status,except tail feathers are shorter than their parents.[Conclusion] [Conclusion] This study provide a reference for the protection of Red-tailed Shrike in Mudanjiang area.