B. Taxonomy, identification, natural history-birds, mammals, reptiles/amphibians Flashcards
A bird that is hatched, feathered, and able to eat on its own and follow it’s parents shortly after hatching is an example of:
A. a precocial bird
B. a fledgling bird
C. an altricial bird
D. an imprinted bird
A
Which of the following birds are considered to be precocial?
A. robins and crows
B. pheasants and owls
C. killdeer and grouse
D. wood ducks and pigeons
E. starlings and bluebirds
C
An infant bird that hatches naked, blind and totally dependent on it’s parents is an example of:
A. a precocial bird
B. a fledgling bird
C. an altricial bird
D. an imprinted bird
C
If an avian species is sexually dichromatic (a type of dimorphism), the gender of an adult bird can be determined by plumage.
True
Birds that do not preen adequately may lose the water proofing and thermoregulatory qualities of their feathers.
True
The most common sexual relationship among birds is monogomy, in which a pair remains together through at least one nesting season.
True
Clutch size is the:
A. number of eggs laid in a single nesting
B. number of birds fledged from the nest
C. number of birds raised in a nesting season
D. amount of prey that can be grasped between talons
A
Preening is a commonly observed behavior of birds involving the careful cleaning, rearrangement, and oiling of the feathers with the bill to preserve flight and thermo regulatory properties.
True
Birds that mate for life will not pair with other birds if their mates are lost.
False
Birds cope with cold by:
A. raising metabolic rate
B. constricting blood vessels in the feet
C. tucking a leg and/or beak under body/wing feathers
D. fluffing out feathers to increase air insulation layer
E. all of the above
E
The presence of a brood patch (featherless area) on the belly of a bird identifies it as a female.
False
The average lifespan for most songbirds that reach adulthood is 2 to 4 years; however, some birds have been documented to survive over 10 years.
True
Studies indicate that a nesting success (at least one chick fledges) rate of 60 to 70% is typical among open nesting songbirds during an average breeding season.
False
House sparrows are known for harrassing native cavity nesting birds such as the eastern bluebird by stealing nest sites, breaking eggs, killing nestlings and even attacking adults.
True
The European starling is known to harass cavity nesting birds.
True
Which of the following generally migrate out of Minnesota each fall?
A. eastern bluebird and common crow
B. eastern bluebird, mallard duck, and common night hawk
C. eastern bluebird and great horned owl
D. all of the above
B
Which of the following species generally do not migrate:
A. tundra swan
B. American robin
C. hairy woodpecker
D. yellow-bellied sapsucker
E. spotted sandpiper
C
All of the following are species introduced to North America (exotics) except:
A. ring-necked pheasant
B. chukar
C. trumpeter swan
D. mute swan
e. rock dove (common pigeon)
C
Which of the following groups consists of small, active, brightly colored, insectivorous birds which gather in mixed flocks during migration:
A. sparrows
B. thrushes
C. warblers
D. flycatcher
E. wrens
C
When their breeding efforts are complete, the males of most duck species in the Northern Hemisphere molt from their brightly colored breeding plumage to a dull, cryptic plumage called their:
A. immature plumage
B. migration plumage
C. eclipse plumage
D. drab plumage
C
Ducks known to nest in tree cavities and man-made nest boxes (thereby forcing their young to jump several feet to the ground in order to reach water) include the:
A. wood duck
B. mallard
C. bufflehead
D. common merganser
E. blue winged teal
F. A, C, and D
F
Which of the following types of birds typically feed on the wing (in flight)?
A. woodpeckers and flickers
B. nighthawks
C. swifts and swallows
D. egrets and ibises
E. A, B, and C
F. B and C
F
House wrens aggressively protect their own nest cavities but do not invade other nest cavities in their own terrirtory.
False
The American Robin belongs to the same family as mockingbirds and brown thrashers.
False
What characteristic identifies American robins and eastern bluebirds as members of the thrush subfamily and is only apparent when they are juveniles?
A. prominent pin feathers
B. preference for crickets and worms
C. melodious song
D. spotted breast
E. outer white tail feathers
D
Which of the following characteristics enable woodpeckers to climb tree trunks?
A. strong claws
B. short legs
C. stiff tail feather
D. two toes pointing forward and two back
E. strong bills
F. A, B, C
G. A, B, C, and D
H. all of the above
G
The only hummingbird species that is commonly found in Minnesota is the ruby-throated hummingbird.
True
Hummingbirds, swifts and poorwills can enter a state of tupor in which body temperature may drop as much as 50 degrees F for several hours during the night or for days during extremely inclement weather.
True
Jays and crows are predatory during the spring and summer. Bird eggs and nestlings are among their preferred foods.
True
Which of the following lays its eggs in the nests of other species?
A. Brewer’s blackbird
B. brown-headed cowbird
C. bobolink
D. rose-breasted grosbeak
E. common grackle
B