the tail of a bird
the open mouth of a bird
two open mouths of the two birds
the head of a young bird
the head of the big bird
the two young birds
the back of a bird
the green leaf of a tree
feathers of a bird
the leg's of a mother bird
a mother Ble Jay feeding her babies
baby blue jays wait for their meal
one baby looks at the camera
the steps to a fire escape
weeds and thin branches grow in the fire escape
blue and white dots on wings
barred arched windows across the street
rear of an SUV on the street below
babies are grey and have no blue feathers yet
botton step on one flight of stairs
Baby birds with mouths open.
Blue bird perching near window.
Green leaf from tree.
Window on blue vehicle.
Twigs from bird nest.
Security bars on windows.
Blurry building number in background.
Mommy bird with baby birds.
Hungry bird with mouth open.
tail feathers of the bird
head of the bird
blue and white bird
baby birds in photo
surface under the bird
feathers of the bird
leaves in the photo
light hitting the ground
bird with mouth open in photo
bird perched on stair
blue tail of bird
bird standing in front of nest with baby birds in it
baby birds with beaks open in nest
metal staircase
whtie spots on blue bird feathers
beak of bird
rectangular holes in staircase
wooden tree limbs
green leaves on branches

Objects:
mouth
mouth
mouth
bird
bird
bird
bird
head
head
birds
birds
bird
leaf
tree
bird
feathers
leg
blue jay
blue jay
step
step
step
fire escape
weeds
branches
wings
dot
dot
dot
dot
windows
street
suv rear
street
babies
babies
stairs
birds
mouths
bird
window
white letter
window
twigs
nest
bars
windows
number
bird
baby birds
baby birds
bird
tail feather
metal staircase

Attributes:
name: mouth
attrs: open
name: bird
attrs: big
young
blue
is mother
name: head
name: birds
attrs: young
name: leaf
attrs: green
name: tree
name: feathers
name: leg
name: blue jay
name: step
name: fire escape
name: weeds
attrs: thin
name: branches
attrs: thin
name: wings
name: dot
attrs: white
blue
name: windows
name: street
name: suv rear
name: babies
attrs: grey
name: stairs
name: mouths
name: window
name: white letter
name: twigs
name: nest
name: bars
name: number
name: baby birds
name: tail feather
name: metal staircase

Contrastive attributes: