[DOC] [TLE] History of the Christmas Bird Count | Audubon [PAR] Beginning on Christmas Day 1900, ornithologist Frank M. Chapman, an early 
officer in ... Audubon's Christmas Bird Count told by Chan Robbins .... to study the 
long-term health and status of bird populations across North America. ... Bird 
Survey, it provides a picture of how the continent's bird populations have 
changed in... [DOC] [TLE] Christmas Bird Count Bibliography | Audubon [PAR] Hundreds of studies by scientists around the world have put CBC data to use. ... 
in the long-term study of early winter bird populations across North America. ... 
For CBC data obtained from annual publications of the CBC after 1998 (Vol 51 .... 
North American Merlin populations: an analysis using Christmas Bird Count data. [DOC] [TLE] Christmas Bird Count - Audubon [PAR] Since the Christmas Bird Count's birth on Christmas Day of 1900 ... status of bird 
populations across North America with new data available each year. [DOC] [TLE] From Canada To Latin America, The Christmas Bird Count Is On : NPR [PAR] Jan 4, 2013 ... Since 1900, citizen scientists across the Americas have braved bad weather and 
... One of those groups is the Central Loudoun Christmas Bird Count. ... across 
North America," says David Bonter, a bird scientist with the Cornell Lab ... Help  
Contact  Terms of Use  Privacy  Sponsorship Choices  Text-Only. [DOC] [TLE] Audubon Society's annual Christmas Bird Count - CBC [PAR] Birders across the continent go into the field every Christmas season to record ... 
in bird populations is one of the reasons birders across North America have set 
out from mid-December to early January every year since 1900, ... According to 
the bird conservation group the Audubon Society, the Christmas Bird Count was
... [DOC] [TLE] Winter Bird Count | The Laurel Magazine of the Highlands-Cashiers ... [PAR] Nov 24, 2015 ... Christmas Bird Counts point to disturbing trends for America's bird populations. 
Every winter since 1900 the National Audubon Society has sponsored the ... Last 
year's CBC involved over 2,400 counting groups including over 60,000 ... A 
shocking 126 North American bird species are projected to lose 50... [DOC] [TLE] 2 Turtle Doves & 1 Partridge- Tis The Season For The 111th ... [PAR] Dec 26, 2010 ... Christmas bird count volunteer braving the cold Photo: Gabriel Willow This 
holiday ... Since then, the CBC has been held every year. ... The rules prohibit 
counting birds when retracing one's route, except for species the group hasn't 
seen before, ... who study winter bird populations across North America. [DOC] [TLE] Friends of MacGregor Point Park - Christmas Bird Count [PAR] The project has since grown to include 2000 localities across Canada, the United 
States, ... Now in its 117th year, the Christmas Bird Count has a huge database of 
... circle (similar to the North American Butterfly Association's Butterfly Count). ... 
into groups, returning around 5:00pm to compile the sightings and enjoy dinner. [DOC] [TLE] Grand Rapids Audubon Club to hold annual Christmas Bird Count ... [PAR] Dec 25, 2011 ... Across North America, thousands of chapters of various avian ... annual bird 
census sponsored by the National Audubon Society. ... Although bird counts take 
place over 23 days, the Christmas moniker has ... counting birds on Christmas 
Day 1900 rather than shooting them. .... 2016 MLive Media Group. [DOC] [TLE] Birmingham Audubon to continue tradition with 80th Christmas Bird ... [PAR] Dec 25, 2015 ... Birmingham birders first took part in the Christmas Bird Count in 1934 and will ... 
Nationwide, the Christmas Bird Count started in 1900, five years before ... Now, 
the count involves hundreds of groups across North America between Dec. ... 
The count has taken place in the Magic City every year since 1946. [DOC] [TLE] Christmas Bird Counts  Our Changing Seasons [PAR] Dating all the way back to 1900, Christmas bird counts represent the biggest ... In 
doing so, they gave birth to North America's modern conservation movement. ... 
Working in small groups and covering the circle by car and by foot, birders work 
.... a tradition of naturalists and bird watchers across the

Question: Since 1900 this group has sponsored the Christmas bird count across North America
Answer: the Audubon Society