[DOC] [TLE] Bald Eagle Recovery Questions and Answers [PAR] Jun 5, 2007 ... What action did the Service take? ... What was the population of the bald eagles 
at the time of delisting? ... in 1940 when Congress passed the Bald Eagle 
Protection Act. It was later ... Total 3900 pairs + Southwest 9,789 breeding pairs 
.... Use pesticides, herbicides, fertilizers, and other chemicals only in... [DOC] [TLE] History of the Bald Eagle - American Bald Eagle Information [PAR] Jun 28, 2007 ... They inhabited every large river and concentration of lakes within North America. 
... There is no single cause for the decline in the bald eagle population. ... of the 
diminishing bald eagle population; subsequently, in 1940 The Bald Eagle Act ... 
often did not hatch, due to high levels of DDT and its derivatives. [DOC] [TLE] Bald eagle | Smithsonian's National Zoo [PAR] The United States' national symbol, the bald eagle plummeted from ... The 
breeding population ranges primarily from central Alaska through much of 
Canada ... and are recovering from the effects of the heavy use of pesticides 
beginning in the 1940s. ... Bald eagles have a rather wimpy voice for such large, 
majestic birds. [DOC] [TLE] Bald Eagle Life History, Biology, and Behavior - Munsey's Bear Camp [PAR] Bald eagle description, biology, and behavior with special reference to the bald ... 
Due to a variety of factors, including use of the pesticide DDT, by the 1950's ... 
Alaska's eagle population is now considered very healthy, and it is estimated that 
one ... The primaries, the large feathers along the tips of the wings, provide lift 
and... [DOC] [TLE] Educator's Guide to Celebrating Pennsylvania Bald Eagles and Elk [PAR] eagle population was drastically reduced due to bounties, water ... population 
decline and recovery ... Eagles are very large birds of prey and are grouped in 
the same family ... The bald eagle is a resident bird and now nests throughout the 
state. 2. .... DDT, the pesticide accumulated in their fat tissue, a process referred 
to as... [DOC] [TLE] The Bald Eagle An Educational Activity Guide - U.S. Army Corps of ... [PAR] You can find a current schedule of Bald Eagle events on our website at: ... 
Populations have since recovered and the species was removed from the ... 
Once common throughout the United States, bald eagle populations crashed in 
the 1960's due .... The overlapping of these feathers produce a large broad flat 
surface. [DOC] [TLE] Bald eagle diving whilst hunting - ARKive [PAR] Bald eagle diving whilst hunting - View amazing Bald eagle photos ... Related 
species ... Bald eagles may gather in large groups at feeding sites, such as 
where ... Bald Eagle Protection Act in 1940 (now the Bald and Golden Eagle 
Protection Act), ... However, the dramatic recovery in bald eagle numbers led to 
the species... [DOC] [TLE] Educator's Guide to Celebrating Pennsylvania Bald Eagle and Elk ... [PAR] eagle population was drastically reduced due to bounties, water pollution ... The 
bald eagle is a resident bird and now nests throughout the state. 2. .... disastrous 
to many wildlife species, especially aquatic species and large birds of prey. ... 
took flight. Food continued to be provided until the birds could hunt for 
themselves. [DOC] [TLE] Bald Eagle - Iowa Audubon [PAR] a large dark brown body, the Bald Eagle is a magnificent national symbol ... wide 
and dramatic population fluctuations in the United States. Early explorers of... [DOC] [TLE] Ohio's Bald Eagle Comeback | QUEST | KQED Science [PAR] Aug 13, 2013 ... An adult bald eagle takes a break in a tree on Cedar Point ... and the rest of the 
lower 48 states, mainly because of the insecticide DDT. ... By 1995 the birds had 
recovered so well that they were removed from the Endangered Species List. ... 
Ohio's bald eagle population continues to grow steadily today,... [DOC] [TLE] HABITAT POLLUTION - 1 Darwin Website Index - UCI [PAR] The Brown Pelican, bald eagle and osprey almost went extinct. ... pollution) is the 
evolution of insecticide resistance - it has now been found in over 500 species... [DOC] [TLE]

Question: The bald eagle population, now recovering, took a big dive in the 1940s due to this pesticide
Answer: DDT