Just ordinary birds. Blue & great tits, robins, green, gold & chaffinches, dunnocks sometimes, pigeons & collared doves on the ground cleaning up the bits they drop, sometimes blackbirds ditto in winter.
Mrs Pingu: blackbirds happily eat berries & seeds at this time of year, & will go for bits of meat. They don't mind it cooked, or turn their beaks up at leftovers.