Term
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Definition
BIRDS ARE PLAYING A WAITING GAME AS THEY HAVE BEEN DURING DECEMBER.
FOR THE MOST PART, THEY ARE BUSY FINDING FOOD AND JUST STAYING ALIVE. LOCALLY, WE SEE LOTS OF ACTIVITIES AT FEEDERS, IN HARVESTED FIELDS. GATHERING ENOUGH FOOD TO SURVIVE ON A COLD NIGHT IS PARAMOUNT. DAYS ARE SHORT. |
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Term
| 7 seasonal classifications |
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Definition
1. PERMANENT RESIDENT.
2. WINTER RESIDENT.
3. SUMMER RESIDENT (BREEDING)
4. SPRING MIGRANT.
5. FALL MIGRANT
6. IRRUPTIVE VISITOR
7. UNUSUAL VISITOR. |
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Term
| Birds get "____" as days lengthen |
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Definition
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Term
| Territory version 1 - Noble |
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Definition
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Term
| Territory version 2 - Mayr |
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Definition
| an area occupied by one male of a species which it defends against intrusions of males of the same species and in which it makes itself conspicuous |
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Term
| Territory version 3 - Tinbergen |
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Definition
| Territory is an area defended by a fighting bird against intrusions of the same species and sex shortly before and during formation of sexual bond |
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Term
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Definition
| owner of territory is "invincible" |
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Term
| Arrival from the south or downslope for migrants |
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Definition
| Males generally arrive first and females 1-3 weeks later. This includes the general collection of birds that migrate thru a given area {Usually mid-late February thru June}. Arrival timesare well documented in many local bird lists. |
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Term
| 4 advantages of territory |
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Definition
1. Essential to attract a mate.
2. Place to rear family.
3. Insures source of food.
4. Spaces birds out. |
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Term
| 2 disadvantages of territory |
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Definition
1. Energy expense to maintain.
2. A bird could be injured in its defense. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
Prairie grouse
Sharp-tailed grouse,
ruffed grouse
turkeys
manakins
birds of paradise
bower birds,
some hummers |
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Term
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Definition
Terns
Gulls
Cowbirds
Penguins,
Pelicans,
Shearwaters,
Cormorants
Herons.
Cliffnesting murres
Gannets,
many sea birds.
Many colonial type nesters.
Size is often determined by the distance that the beak can jab. |
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Term
Birds
Territories
Mating and Nesting |
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Definition
Loons
Grebes
Redwings
swans
harriers(marsh hawk) |
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Term
Birds
Territories
Nesting and Feeding |
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Definition
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Term
Birds
Territories
Mating, nesting, and feeding |
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Definition
Robin
Cardinal
most passerines-sparrows, thrushes, cardinals, some hummers,
Some woodpeckers(ACORN). |
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Term
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Definition
| occurs in species that respond to irregular changes in food supplies |
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Term
| Breaking up of resident wintering groups |
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Definition
Blue Jays, bobwhite, vultures, turkeys, cardinals,
House finch, gold finch, blackbirds{grackles, redwings,
Starlings, cowbirds}, etc. |
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Term
| Name five types of territory |
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Definition
| mating, nesting, feeding, mobile, and wintering. |
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Term
| Mating territories of the prairie chicken |
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Definition
Strut and boom on communal breeding grounds. Each male claims and defends a particular spot in the breeding area(leks). One study showed that less than 10% of the males completed 70% of the copulations. The success in obtaining
Females depended upon erotic behaviour, vigor, social dominance, and position the male held in the lek. |
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Term
| Feeding territories of Phainopepla |
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Definition
The principle food of the Phainopepla in the Santa Monica mountains
Of California is the fruit of the berry of the Rhamnus crocea which
Grows on hillsides. Nest sites are found only on the canyon bottoms. |
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Term
| Orange rumped honeyguide feeding territories |
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Definition
| The bird very aggressively defends territories around nests of the Giant Honey Bee, whose honey combs he eats. When the female approaches the honey comb to eat the wax, the male copulates with her. So he is really trading food for sex. This honeyguide could also be placed in the (M/F) area. It is a brood parasite |
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Term
| Hawaiian honeycreepers feeding territories |
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Definition
primarily insectivorous and NON-territorial in POOR flowering years; however, they defend FEEDING territories in good flowering years. It has been shown that energy expense was 17%
more for territorial owners. The benefit in this case is NOT in conservation
of foraging time but in the increased resource(flower) availability and predictability. |
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Term
| Sunbirds of Africa feeding territories |
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Definition
Assuming a predictable renewable
resource, the individuals owning feeding territories had to forage 17% more than the rate required for self-maintenance to compensate for nectar lost to competing birds or in chasing birds. But, extra fraying time for non-territorial birds was 72%. |
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Term
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Definition
| Black-throated blue warbler(BTBW), both sexes hold territories in the Caribbean whereas the BTBW territory during the breeding season is (MNF). Snowy Owls. Many many have a differential migration, i.e., |
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