Lecture 23 Flashcards Preview

BIOL 2903 > Lecture 23 > Flashcards

Flashcards in Lecture 23 Deck (33)
Loading flashcards...
1
Q

What is the southernmost point of mainland Canada?

A

Point Pelee

2
Q

Name two endangered birds in Point Pelee:

A
  • Prothonotary Warbler

- Yellow-breasted Chat

3
Q

Why is Point Pelee an important location re: bird migration?

A

It’s the intersection of two major flyways (Atlantic + Mississippi)

4
Q

Why is birdwatching in Point Pelee more popular in the spring?

A

Birds are in breeding plumage, and more visible since there aren’t many leaves on trees

5
Q

T/F: Point Pelee is surrounded by forest

A

False; it’s mostly surrounded by farmland

6
Q

What results in the isolation of populations in Point Pelee National Park?

A

Lack of connectivity

7
Q

Succession is occurring in some parts of Point Pelee National Park. Name a plant that is negatively impacted by this, and why

A

Prickly pear cactus - cannot grow in shade

8
Q

T/F: monarch butterflies funnel through Point Pelee while migrating

A

True

9
Q

Hillman’s Marsh

A
  • Conservation area, wetland

- popular w/migrating shorebirds, waterfowl

10
Q

What is the most southern inhabited part of Canada?

A

Pelee Island

11
Q

Animals native to Pelee Island (2):

A
  • Blue Racer (endangered snake)

- Fox Squirrel

12
Q

Plant native to Pelee Island - where does it usually grow?

A

Miami Mist - grows on alvars

13
Q

How do sand dunes occur in Point Pelee?

A

Water moves/deposits sand

14
Q

Point Pelee, Rondeau, and Long Point are important for ______ ____

A

migrating birds

15
Q

Birds nesting in the Carolinian (4):

A
  • Prothonotary Warbler
  • Hooded Warbler
  • Carolina Wren
  • Yellow-breasted Chat
16
Q

Name 2 endangered Carolinian species (hint: neither are birds)

A
  • Blue Racer

- Northern Pines-barren Tiger Beetle

17
Q

T/F: all non-native species are invasive

A

F: the converse is true, though!

18
Q

Introduction vs Reintroduction example

A

Wild turkeys

  • Extripated in the Carolinian and reintroduced there
  • Introduced into the GLSL (they weren’t there before)
19
Q

Invasive species examples (4 plants + beetle):

A
  • Purple loosestrife
  • Oxeye Daisy
  • Dog-strangling vine
  • Scot’s pine
  • Emerald ash borer
20
Q

How do robins benefit from forest fragmentation/urban habitats?

A
  • More lawn/topsoil = more worm habitat
21
Q

T/F: all earthworms in ON are non-native

A

T: previous worms were wiped out by glaciation

22
Q

What beneficial things do urban environments provide?

A

Food/shelter

23
Q

What do rock pigeons, house sparrows, and European starlings have in common?

A

They’re common urban birds + non-native to N. America

24
Q

Why do rock pigeons, house sparrows, and European starlings thrive in urban areas?

A
  • Cavity adopters - can nest on buildings or under bridges

- fewer predators

25
Q

Why are backyard gardens as important as city green spaces for animals?

A

Wildflowers provide food for insects, small mammals

26
Q

T/F: bird feeders change birds’ migration habits

A

False; they mainly affect the distribution of non-migratory seed-eating birds

27
Q

Issues with bird feeders (3):

A
  • Birds flying into windows
  • Disease (e.g. salmonellosis)
  • Increased exposure to predators (cats, birdhawks)
28
Q

Name a bird that benefits from bird feeders (but not from the food in them!)

A

Cooper’s Hawk - preys on other birds

29
Q

How have accipiters/birdhawks changed their migration patterns due to bird feeders?

A

Spend more winters in cities

30
Q

Purple martins are a bird that are attracted to these nest sites:

Name a bird that competes w/them for resources

A

Apartment-style nesting boxes

House sparrow

31
Q

How do squirrels benefit from urban centers?

A

Planting of trees producing large fruits + nuts (e.g. hickory nuts, acorns)

32
Q

How do eastern cottontails benefit from urban environments?

A
  • Lots of food (shrubs, gardens)
  • Warmer climate
  • Fewer predators
33
Q

These mammals find food around people’s houses (2):

A
  • Raccoon

- Striped Skunk