Saturday, February 4, 2012

Herons, Bitterns, Egrets... Oh yeah


AMERICAN BITTERN
Large, thick, brown bird. 23-33” in length.Wingspan: 36-45”.


BLACK-CROWNED NIGHT HERON
~25”. Also have red eyes, but plumage consistsof a black crown which extends down the back. The remainder of the bird iswhite to grey. Legs are more often yellow than orange. Because of similar size,juveniles often resemble those of the Yellow-Crowned Night Heron, having blackfeathers with brown spots throughout.


CATTLE EGRET
Anothersmaller member of Ardeidae, 18-22” long. Has a shorter, thicker neck and a thick bill. Typical adults have white plumage with a yellow bill and yellow togrey colored legs.


GREAT BLUE HERON
Largestheron in North American ranging from 36-55” in length. Wingspan can exceed 6’and standing height may be as tall as 54”. Head is mostly white with ayellow-orange bill. A black strip extends from above the eye to the back of thehead on each side. A feathered extension can be seen on the back of the head.Body is mostly blue-grey, having a rusty grey colored neck. Thighs arered-brown and legs are orange. Call is very harsh and somewhat disturbing.


GREAT EGRET
Largebird 37-40” in length. Wingspan is comparable to the Great Blue Heron. Allwhite plumage. Different from other egrets because of size all black feet andlegs. Bill is yellow.


GREEN HERON
Oneof the smaller herons, about 17” in length. It has a green crown and back. Eyesare yellow and neck is rust-colored with a white line extending down the frontof the bird. Underside is grey and legs are yellow-orange.


LEAST BITTERN
Smallerthan American Bittern; 11-14”. Underside is white with brown streaks. Maleshave a green-black crown while females are brown. Show light brown on wingswhen in flight; wingspan 16-18”.


LITTLE BLUE HERON
Anothermedium-large long-legged heron about 24” long. Also had a black tipped bill,but unlike the Tricolored Heron, the black tip gives rise to a blue to greycolor that surrounds the eye. Legs and feet are dark blue to black. Feathers onmost of body are blue-grey. Longer feathers may be present from the back to thetail and face away from the body.


SNOWY EGRET
Generallythe same size as the Cattle Egret (~24”). Also mostly white. Biggest differenceis that the Snowy Egret has black legs with yellow feet. The bill is mostlyblack but has a yellow beginning near the eyes which turns red during themating season. Eyes are yellow and a yellow-dark green line runs down the backof each leg.


YELLOW-CROWNED NIGHT HERON
Whiteon top of head as well as under the eye. Blue-grey body with yellow or orangelegs. Eyes are red. ~24”.






TRICOLORED HERON
~22”long. Medium-large sized heron with a very long beak which can be yellow orgrey with a black tip. Eyes are red and surrounded with yellow feathers thatmay extend toward the beak and/or down the front of the neck, which is longitself. Legs are darker than most members of Ardeidae. Feathers on crown extendoff the back of the head.

Friday, February 3, 2012

Gulls, Terns, Skimmers and Oystercatchers

Gulls, Terns, Skimmers and Oystercatchers
- Sarah and Amanda

Gulls:
Family- Laridae
  •  Shorebirds
  • —  Webbed feet
  • —  Relatively long wings
  • —  Adapted to man made environments
  • —  Diet mostly consists of fish and other invertebrates
Laughing gull 
Laughing Gull Photo
  • Nests in coastal salt marshes
  • Winters on coast
  •  Dark long legs
  • Orange bill
  • Black wing tips
  • Gray back
  • Black head during breeding season
  • White ring around eyes
Bonaparte’s  Gull
Adult nonbreeding 
http://www.allaboutbirds.org/guide/Bonapartes_Gull/id/ac
  • Only gull that nests in trees
  • Feed on fish in large flock
  • Small gull
  • Primarily white base
  • With some gray
  •  Black tipped wings
  • Black hood and beak
  • Orange legs

Herring Gull
Breeding adult
·         Nests on small islands and lake
·         Often found in large congregations of gulls near open water
—  Pale grey back
—  Pink legs and feet
—  Black tips on wings
—  Barrel-chested and broad winged
Ring – Billed Gull
Ring-billed Gull Photo
  • Nests in colonies on islands and off coasts
  • Feeds largely on fish or whatever it can get
  • Looks similar to the Herring gull but it is actually much smaller and has 
  • Gray back, White bottom
  •  Black on edge of wing
  •  Has a distinguishable black ring around its yellow bill
Great Black Backed Gull
Great Black-backed Gull Photo
  • World’s largest gull
  • Opportunistic feeder
  • Live mostly off of fish
  • Nest away from predators often in offshore rocks
  •  Black back, White head
  • Thick yellow bill with red spot at the tip of the lower beak
  • —  Pale pink legs

Terns
Family: Sternidae
  • Diet consists of fish and insects
  • Have webbed feet but rarely swim
  • Nest in salt marshes on barrier beaches in large colonies
  • Forster's tern is exclusively restricted to North American Year round
  • Winter's on the coast
  • Breed in the northern states

Forsters Tern
  • Medium sized tern
  • Black Cap
  • White everywhere else
  • Distinguishing feature, long thin tail - deeply forked
  • Base of bill is orange
  • Tip of bill is black
Skimmers
Family: Rynchopidae
  • Only birds in North America with uneven bills
  • Lower bill is longer than upper bill
  • Social birds that nest in colonies and form large flocks, nest along the coast
Black Skimmer
Black Skimmer Photo
  • Medium to large sized shorebird
  • Red base of bill
  • Black tip of bill
  • black back and cap
  • White underside
  • Short red legs
  • Long pointed wings
  • Lower their mandible into the water while flying and snap it closed upon detecting prey
Oystercatcher
Family:Haematopodidae
  • Waders
  • Found in coastal regions year round
  • Nest on the ground on sandy beaches or near barrier islands
  • Diet consists of shellfish
American Oystercatcher
American Oystercatcher Photo 
http://www.allaboutbirds.org/guide/American_Oystercatcher/id/ac

  • Large shorebird
  • Brown-Black back and head
  • White underside
  • Long slender red orange bill
  • Red orange ring around eye
  • Pink stilted legs
  • Use bill to dig for shellfish



Thursday's Lab (Field Trip) 2-2-12


Ambre's House/ Neighborhood

American Robin

 
    
American Robin Photo

Northern Cardinal


Northern Cardinal Photo

Juvenile Bald Eagle 

Juvenile
Tufted Titmouse

Tufted Titmouse Photo

Mourning Dove


Mourning Dove Photo

Common Grackle 

Common Grackle Photo


Lion's Bridge

Ring-Billed Gull



Ring-billed Gull Photo

Mallard


Mallard Photo

Canada Goose

Canada Goose Photo

Hooded Merganser

Hooded Merganser Photo

Great Blue Heron


Great Blue Heron Photo

Rock Pigeon


Rock Pigeon Photo

Bufflehead

Bufflehead Photo

Double-Crested Cormorant

Double-crested Cormorant Photo

Wednesday, February 1, 2012

January 31st field trip (Tuesday lab)

Note: Bolded names indicate birds that will be on the next quizzes

This week, while visiting Deer Park, Sandy Bottom, and Lion's Bridge we saw:

Canada Goose


- Black head and neck
- White chin strap


Great Blue Heron


- Large wading bird
- Long legs and neck
- Blue/gray body
- Black stripe behind eye


Ring-billed Gull


- Black ring around tip of beak


Turkey Vulture


- Red face
- Almost entire underside of wing is white


Black Vulture


- Black face
- On underside, only wing tips are white


Mallard


- Bright green head
- Blue wing patch
- Curled tail


American Robin



- Round body
- Black/gray head
- Red/orange chest


Carolina Chickadee


- Black head and chin
-White cheeks



Pied-billed Grebe


- Small bird
- Short, chicken-like beak
- Black ring around tip of beak


Double-crested Cormorant


- Orange beak
- Long, snake-like neck
- Gray body
- Bright blue eye
- Often seen with wings open sunning themselves


As far as the birds we didn't see but will still be on the quiz...


Blue Jay

- Tuft on head
- Bright blue coloration
- White spots on wings


Male Northern Cardinal

- Bright red color
- Tuft on top of head


Female Northern Cardinal

- Brown body, less colorful than male
- Short orange beak for eating seeds
- Tuft on top of head


American Crow


- Looks identical to Fish Crow
- "Caw" call


Fish Crow


- Looks identical to American Crow
- "Uh-Uh" call


Indigo Bunting


- Entire body is bright blue in color


Tufted Titmouse


- Small bird
-Tuft on head
- Blue/gray back
- White chest
- Rust coloration under wings