Sea eagles, buzzards, red kites and hen harriers are being killed by landowners protecting their livestock, the RSPB said.
The bird charity conducted a year-long study into wildlife crimes such as poisoning and shooting involving birds of prey.
The deliberate killing of some of Scotland's birds of prey has reached unacceptably high levels, according to a new report.
Sea eagles, buzzards, red kites and hen harriers are being killed by landowners protecting their livestock, the RSPB said.
The bird charity conducted a year-long study into wildlife crimes such as poisoning and shooting involving birds of prey.