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What are eight defining characteristics used to identify birds?
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bill - size/ shape tail - length, shape & position head - size, shape & crest Size - bigger/smaller than a crow, robin or sparrow posture - vertical, horizontal behavior songs field markings - head, wings, chest, tail
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classification system - ranges from Kingdom to Species
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| What are the seven taxonomy levels? |
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Kingdom Phylum Came Order Family Genus Species |
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| What is the common ending for the Order of birds? |
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Definition
- formes example - Passeri(formes) (all passerine birds) |
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| What is the common ending for the Family of birds? |
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- idae example - Mim(idae) (mockingbirds & thrashers) |
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| What is the Kingdom, Phylum and Order for all birds? |
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Kindom - animalia Phylum - chordataOrder - aves
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| define: sexual dimorphism |
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| when males and females of the same species have different characteristics |
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| What orders are homeotherms? |
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Avis - birds Mammalia - mammals |
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| What orders are poikilotherms? |
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Osteichthys - Fish Amphibia - amphibians Reptilia - reptiles |
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| What are characterics of an endotherm? |
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Definition
- being produces its own heat source
- associated with homeotherms
- stable body temperature
- wider range of habitat
- requires more energy = needs more food
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| What are characteristics of ectotherms? |
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Definition
- being takes heat from its environment
- associated with poikilotherms
- unstable body temperature
- smaller range of habitat
- uses less energy = needs less food
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| What are four ways to gain heat? |
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Definition
conduction convection radiation evaporation |
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Definition
| transfer of heat through touch |
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Definition
| "movement" of heat through air |
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| transfer of heat between closely positioned objects |
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Definition
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| define: counter-current flow How does it work? |
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Definition
how wading birds keep their legs warm Warm blood runs down one side of the bird's leg from their core. The blood returning to their core is warmed by the incoming blood flowing near it. |
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define: brood parasites What is an example of a bird that does this? |
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| a bird that takes advantage of bird species by laying their eggs in the nests of other birds. The "host" parents take care of the baby birds, while their "adopted" children "out-compete" the natural children by taking up most of the space and food |
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Feathers wings (forelimbs) beaks (no teeth) warm blooded (homeotherms) shortened tail scales on their feet toes with nails walk on back legs |
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| What are characteristics of bird skeletons? |
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Definition
fused bones lightweight bones (honeycomb inside) |
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| What are characteristics of a bird's respiratory system? |
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Definition
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| What are characteristics of bird's circulatory system? |
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Definition
4 - chambered heart warmer temperature faster heartbeat |
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| What are characteristics of a bird's reproductive system? |
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Definition
- only 1 ovary develops in female
- testes in male are cooled by air sacs
- internal fertilization via "cloacal kiss"
- shell gland
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| What are characteristics of a bird's digestive tract? |
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Definition
beak->crop->gizzard->kidney->uric acid cloaca - digestive / urinary / reproduction tract |
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| digesting pouch, contains rocks to "chew" or digest food |
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| How do we know some birds can see in color? |
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Definition
| Most birds have bright plumages during breeding season |
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| What is an example of a bird with a good sense of smell? |
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Definition
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chicks that are mobile soon after hatching they can be vulnerable on the ground, but they move quickly example: ducks, geese, turkeys, quail, chickens |
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chicks that are immature at hatching usually very vulnerable due to their inability to fly examples: robins, bluebirds, cardinals |
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1) when baby birds follow along after the first thing they see that moves, usually their mother 2) Rescued birds that associate humans with food |
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non-learned behaviors birds rely heavily on these |
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| How do owls generally treat their prey? |
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Definition
| Owls generally swallow their prey whole, digesting the "digestible" parts and "spitting" up the rest (i.e. fur and bones) in the form of owl pellets |
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Definition
| flying feathers on the "hand" |
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| define: secondary feathers |
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Definition
| flying feathers on the "arm" |
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Definition
non-flying feathers that are on the "hand" located on both the top and underside of the wings |
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| define: secondary coverts |
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Definition
non-flying feathers located on the "arm" located on both the top and underside of the wings |
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Definition
a "sheding" of the bird's migratory / winter feathers happens in preparation for migration / breeding occurs in a "pattern" and is on both sides, usually starting at wing tips tied to season / light amounts per day |
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Definition
brightly colored feathers during breeding shed once nesting has begun |
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| define: uropygeal (aka "preen") gland |
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Definition
oil gland used to keep feathers together / used for waterproofing located on rump |
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| What bones make up the pelvic girdle? |
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Definition
| Ilium, ischium, and the pubis |
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Term
| What is an archaeopteryx? |
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Definition
it is the 1st "bird" fossil found has: poor flight muscles claws on its wings reptilian skull / facial features |
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Definition
bird most closely related to the archaeopteryx that is alive today only birds with claws on their wings, which they possess for only a week during infancy very poor flyers |
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| What are the fastest birds measured? |
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| What are the four steps of natural selection? |
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1) natural variation with in the members of the population 2) some members are more "suited" for survival & reproduction than others 3) those best suited survive 4) the survivor's genes are passed on to the next generation |
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| Where does natural selection occur? |
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Definition
| it happens "within" the species (at the population level) |
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| What is sexual selection? |
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Definition
females selecting the males that show the best potential of surviving and are in the best health. ("dance" ability and song "quality" are indicators of the health level of the male) (usually, bright colors indicate that the males have reached maturity and are in good health) |
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| function of: the cervical vertebrae |
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Definition
| "S" curve when not in flight, used for balance |
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Definition
| migration patterns (mainly aquatic) for terns, waterfowl, hawks, etc... |
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| what are the up/downsides of permanent residency? |
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Definition
upside: not wasting energy migrating downside: trapped in one environment |
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| what are the up/downside of migration? |
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Definition
upside: less competition for habitats/food downside: waste of energy |
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| How do birds navigate during migration? |
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Definition
sun landmarks stars electromagnetic field polarization of light |
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| What are the preparations for migration? |
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Definition
the amount of light: stimulates hormones -> shrinking gonads -> layering of extra fat -> changes of feathers |
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| What is the pineal gland? |
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Definition
light detecting gland located just below the thin skull even blind birds respond to light b/c of it |
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| What birds belong to: Columbiformes |
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Definition
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| What birds belong to: Piciformes |
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Definition
Woodpeckers, Flickers ex: - yellow / red bellied - sapsucker
- Northern Flicker
- Downy / Hairy woodpecker
- Red-headed / Pileated / Ivory-Billed woodpecker
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| What birds belong to: Apodiformes |
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Definition
Hummingbirds, Swifts ex: - Ruby-throated hummingbird
- Chimney Swift
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| What birds belong to: Strigiformes |
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Definition
Owls ex: - eastern screech owl
- barn owl
- great horned owl
- snowy owl
- barred owl
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| What birds belong to: Psittaciformes |
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Definition
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| What birds belong to: Gruiformes |
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Definition
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| What birds belong to: Charadriiformes |
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Definition
Gulls, Terns ex: - American Woodcock
- Killdeer
- Ring-Billed Gull
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| What birds belong to: Falconiformes |
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Definition
hawks, eagles, kites, falcons ex: - Cooper's hawk
- Northern Harrier
- Bald / Golden Eagle
- American Kestre
- Red tailed / shouldered hawk
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| What birds belong to: Anseriformes |
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Definition
ducks, geese, swans ex: - Snow / Canada Geese
- Mallard
- Blue Winged Teal
- Wood Ducks
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| What birds belong to: Ciconiiformes |
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Definition
herons, egrets, vultures ex: - Great Blue heron
- Black vulture
- turkey vulture
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| What birds belong to: Passeriformes |
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Definition
Flycatchers, Vireos, Crows, Jays, Swallows, Chickadees, Nuthatches, Wrens, Kinglets, Thrushes, Mockingbirds, Thrashers, Starlings, Waxwings, Tanagers, Cardinals, Blackbirds and Finches ex: |
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