WorksheetsRed-winged Blackbird Quiz
Total questions: 1
Worksheet time: 10mins
What percentage of the Red-winged Blackbird's annual diet is composed of seeds?
50%
75%
85%
60%
What type of habitats do Red-winged Blackbirds nest in?
Only in trees
Fresh-water and brackish herbaceous wetlands, shrubs, and small trees
Urban areas only
Deep forests
During what months does the breeding season of the Red-winged Blackbird typically start in more temperate habitats?
March or April
June or July
January or February
September or October
How do Red-winged Blackbirds adapt to loss of natural wetlands?
They migrate to other continents
They adapt by colonizing human-created environments
They decrease their population size
They hibernate
What is a notable behavior of male Red-winged Blackbirds during the breeding season?
They are not territorial
They mate with several partners
They leave the wetlands
They feed only on insects
What type of vegetation do Red-winged Blackbirds prefer for nesting?
Dry, sparse vegetation
Cattails, bulrushes, and other emergent vegetation
Pine forests
Rocky terrains
How long do parents of Red-winged Blackbirds feed their fledglings after hatching?
15 days
20 days
30 days
45 days
What factor is most related to the nest success of Red-winged Blackbirds in wetland areas?
The color of the nest
The presence of permanent water
The height of the nest above ground
The type of insects available
Which type of wetland vegetation is noted as being most productive for Red-winged Blackbird habitats?
Herbaceous wetlands dominated by cattails
Forested wetlands
Grasslands
Coastal mangroves
During which season do male Red-winged Blackbirds migrate to future nesting habitats?
Spring
Summer
Autumn
Winter
What factor negatively affects the nesting success of red-winged blackbirds?
Presence of raccoons
Abundance of carp
Availability of overstory layers
Sparse vegetation
Which type of vegetation do red-winged blackbirds prefer for nesting?
Sparse and low vegetation
Tall, dense, persistent herbaceous vegetation
Mainly overstory layers
Dry upland areas
What is the estimated winter population of the red-winged blackbird in North America?
About 100 million
About 190 million
About 250 million
About 300 million
Where do red-winged blackbirds rarely nest in Washington?
Wetlands
Upland shrubby areas
Along roads
Near estuaries
Which of the following is NOT a reason for the decline of red-winged blackbirds in some areas?
Drought
Tilling of breeding areas
Increased predation
Urban development
