Flashcards in Dove Biofacts Deck (29):
1
DO: Length
11-13 inches
2
DO: Weight
3 1/2 - 5 oz.
3
DO: Wingspan
5 1/2- 7 inches long
4
DO: Fossil evidence has been found from ___ in California and ____ in Arizona
LaBrea Tar Pits; Pleistocene deposits
5
DO: Breed from ___ to ____
Canada to the Bahamas
6
DO: Where do they spend their winters?
California to Georgia, and south of Panama
7
DO: When do they start to migrate?
September
8
DO: Fly at what times during the day?
morning and late afternoon
9
DO: average how many miles a day?
15 miles
10
DO: When is migration completed?
December
11
DO: What determines their range?
Available food, and roosting cover
12
DO: How many fly together?
20 or more
13
DO: Monogamous or promiscious?
Monogamous
14
DO: Which sex incubates the eggs?
Both
15
DO: When does mating start? (south, north)
january or February in the south, March or April in the north
16
DO: How big are the eggs?
28 mm by 21 mm
17
DO: Nests are placed how far off the ground?
5-25 feet
18
DO: Incubation
14-15 days
19
DO: When does the male sit on the eggs and when does the female sit on the eggs?
male during the day; females during the night
20
DO: What do young drink?
pigeon milk
21
DO: What is the largest mortality factor acting on dove?
hunting
22
DO: Hunting takes what percent of the fall population?
30-35%
23
DO: All factors result in a loss of __ to ___ of adult birds
50-70%
24
DO: Average life span
1-1.5 years
25
DO: Fly up to how many miles to feed in grain fields?
15 miles
26
DO: Is the need for water high or low?
high
27
DO: Water should be within how many miles?
12-18 miles
28
DO: Is space a limiting factor?
no
29