Bird about to get crumbled bread by stone

• Bird — star breed in trouble
• European robin
• Bird having resources — tail first — to break perch
• Robin, e.g

Wikipedia Word definitions in Wikipedia
Redbreast may refer to: HMS Redbreast , several British Royal Navy ships Redbreast-class gunboat , a Royal Navy class of gunboats in commission from 1889 to 1921 Hull Kingston Rovers , a British rugby league football club Redbreast (whiskey) , a pure pot ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Redbreast \Red"breast`\ (-br?st`), n. (Zo["o]l.) The European robin. The American robin. See Robin . The knot, or red-breasted snipe; -- called also robin breast , and robin snipe . See Knot . (Zo["o]l.) The long-eared pondfish. See Pondfish .

Wiktionary Word definitions in Wiktionary
n. 1 Any of several unrelated birds that have a red breast 2 # An European robin, ''Erithacus rubecula''. 3 # An American robin, ''Turdus migratorius''.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
early 15c., of the English robin, from red (adj.1) + breast (n.). Later of the American bird.