Pretty sure on the identification. Feeding under the bird feeder.
Lone rat on bank opposite sewage/storm water overflow.
San Diego County, California, US
Multiple rats along stream/'sewer overflow' that run into Coxs Bay reserve. Rats feeding on white scum snagged on rocks and sticks ontop of water. Note that tiger beer bottle is 660ml.
Bait completely gone
The brown rat, common rat, street rat, sewer rat, Hanover rat, Norway rat, brown Norway rat, Norwegian rat, wharf rat (Rattus norvegicus), or hood rat is one of the best known and most common rats.