The Purpose Of This Contract Is The Design And Execution Of A Population Census Of The Camanegre Path (Charadrius Alexandrinus) In The Field Of The Ebro Delta Natural Park And The Free Access Beaches Of Its Environment. The Camanegre Path Is A Species Of A Wrecking Bird Nesting On The Catalan Coast, Listed As Vulnerable According To The Catalog Of Threatened Native Wildlife Of Catalonia, Regulated By Decree 172/2022, Of September 20.