I think its signed, I tried to zoom in on the writing.
Vintage Fenton Bird Figurine opal iridescent hand painted flowers and signed
White Iridescent Glass Fenton Bird Figurine USA Pink Ribbon Flower
VTG FENTON Pink/Light Rose Glass Long Tail Bird Of Happiness Glass Bird Figurine
Gräfenthal bird figurine bird figurine birds porcelain figurine vase flower vase bird pair
Vintage Fenton Hand Painted Opaque Glass Bird Figurine Floral Design Signed
Fenton Bird of Happiness Cobalt Blue Art Glass Long Tail Sparrow Figurine
