Sentences with phrase «bird census»

In 1900, in the early days of the American conservation movement, ornithologist Frank Chapman organized a Christmas bird census.

In this case, the bird study comes from the Fish and Wildlife Service of the federal government who must issue take permits for wind farms after two years of specific bird census data at the specific site and the National Academy of Sciences report in 2006 or so about obstacles to increased wind energy.

The National Audubon Society's Christmas Bird Count (CBC) is an early - winter bird census, where thousands of citizen scientists across the US, Canada and many countries in the Western Hemisphere, go out over a 24 hour period to count birds.

When to drink this coffee (field oriented): All day long, doing spring migration counts or breeding bird census work, even on warm days.

Preliminary information from surveys of the entire Falklands coast for marine birds census, carried out at the end of the elephant seal breeding season, showed very limited signs of breeding (Mike Bingham, pers.

Not exact matches

He also expanded the census to include bats and smaller birds.

I don't know if anyone has ever done a census of actual numbers of, you know, breeding pairs of birds in the park.

Following the publication of Silent Spring, Robbins helped develop the Breeding Bird Survey, a continent - wide census of birds designed to track changes in populations.

Led by the Royal Society for the Protection of Birds, the census numbers continue to climb.

On Sunday, December 27, Wave Hill was happy to welcome three observers for the 92nd Bronx - Westchester Christmas Bird Count (BWCBC), itself part of the National Audubon Society's more than century - long efforts to census bird numbers nationwide from about mid-December to early JanuBird Count (BWCBC), itself part of the National Audubon Society's more than century - long efforts to census bird numbers nationwide from about mid-December to early Janubird numbers nationwide from about mid-December to early January.

They have implemented a project similar to the Christmas Bird Count in that its purpose is to compile census of birds.

This initiative enlists people to report their observations of birds in the wild in order for a census to be made of birds throughout the western hemisphere.

Although the National Breeding Bird Survey does an annual census on the North Slope, they greatly underestimate songbird numbers by counting just once, at only a handful of locations and fairly late in the season, when the birds are less vocal.

Begun as a way to assess the health of bird populations, data from the annual census are now key to predicting birds» responses to climate change.

They believe a decision to put back a census of bird numbers by two years is -LSB-...]