4/2 (absent) Flashcards
1
Q
when was the peregrine falcon extirpated from range in N. America
A
1964, placed on endangered species
2
Q
people associated with falcon
A
Rachel Carson, Joe Hickey
3
Q
test bird
A
- nested on sun llife insurance building in Montreal 1937-53
- monitored
- showing rep. promlems in 1946
- mirrored other responses around the world
4
Q
peregrine problem?
A
egg thickness declined; DDT
5
Q
give an example of the harsh effect experienced by the peregrine falcons
A
-entire population east of rocky mountains was extirpated in 18 years
6
Q
Name 4 people that played a role in banning DDT
A
- Gaylord Nelson
- Fred Ott
- Lorrie Otto
- William Rucklehaus
7
Q
When did the peregrine falcons become delisted?
A
1999
8
Q
(terms) problems
A
- DDT in the Osprey’s food chain was ultimate problem
- low recruitment due to eggshell thinning was proximate problem
9
Q
short term fix, fixing the proximate prob.
A
-egg transfers from Chesapeake Bay to New England
10
Q
are environ. pollutants still a threat? name some
A
yes; pesticides, endocrine disruptors, lead, mercury, drugs, carbon
