Gathering of house martins

Gathering of house martins

Observation - Gathering of house martins - UK and Ireland. Description: Hundreds of House martins gathering around roof tops presumably before migration. Stayed in RH19 4AU area over one evening and next morning before disappearing.

Hundreds of House martins gathering around roof tops presumably before migration. Stayed in RH19 4AU area over one evening and next morning before disappearing.