I've got my eye on you

A blackbird committed suicide two days ago by flying into our summer house. The body was placed carefully to attract a preditor that could be photographed by the First Mrs J from the house. Nothing happened, but the following morning the body had disappeared.
A female blackbird learned little from its mate's earlier experience and crashed into the green house last night. The FMJ has located this infra red video camera to establish what happens overnight.