Lecture 23 Flashcards
What is the southernmost point of mainland Canada?
Point Pelee
Name two endangered birds in Point Pelee:
- Prothonotary Warbler
- Yellow-breasted Chat
Why is Point Pelee an important location re: bird migration?
It’s the intersection of two major flyways (Atlantic + Mississippi)
Why is birdwatching in Point Pelee more popular in the spring?
Birds are in breeding plumage, and more visible since there aren’t many leaves on trees
T/F: Point Pelee is surrounded by forest
False; it’s mostly surrounded by farmland
What results in the isolation of populations in Point Pelee National Park?
Lack of connectivity
Succession is occurring in some parts of Point Pelee National Park. Name a plant that is negatively impacted by this, and why
Prickly pear cactus - cannot grow in shade
T/F: monarch butterflies funnel through Point Pelee while migrating
True
Hillman’s Marsh
- Conservation area, wetland
- popular w/migrating shorebirds, waterfowl
What is the most southern inhabited part of Canada?
Pelee Island
Animals native to Pelee Island (2):
- Blue Racer (endangered snake)
- Fox Squirrel
Plant native to Pelee Island - where does it usually grow?
Miami Mist - grows on alvars
How do sand dunes occur in Point Pelee?
Water moves/deposits sand
Point Pelee, Rondeau, and Long Point are important for ______ ____
migrating birds
Birds nesting in the Carolinian (4):
- Prothonotary Warbler
- Hooded Warbler
- Carolina Wren
- Yellow-breasted Chat
Name 2 endangered Carolinian species (hint: neither are birds)
- Blue Racer
- Northern Pines-barren Tiger Beetle
T/F: all non-native species are invasive
F: the converse is true, though!
Introduction vs Reintroduction example
Wild turkeys
- Extripated in the Carolinian and reintroduced there
- Introduced into the GLSL (they weren’t there before)
Invasive species examples (4 plants + beetle):
- Purple loosestrife
- Oxeye Daisy
- Dog-strangling vine
- Scot’s pine
- Emerald ash borer
How do robins benefit from forest fragmentation/urban habitats?
- More lawn/topsoil = more worm habitat
T/F: all earthworms in ON are non-native
T: previous worms were wiped out by glaciation
What beneficial things do urban environments provide?
Food/shelter
What do rock pigeons, house sparrows, and European starlings have in common?
They’re common urban birds + non-native to N. America
Why do rock pigeons, house sparrows, and European starlings thrive in urban areas?
- Cavity adopters - can nest on buildings or under bridges
- fewer predators