Sources of data include radar observations, bird banding and weights taken, dead birds recovered from field sites and fatal obstacles.

The bill's length along the culmen is one of the regular measurements made during bird banding (ringing), and is particularly useful in feeding studies.

In 1902, he started systematic scientific bird banding, the first to do so in modern times.

He started bird banding in 1938 and personally banded close to 100,000 birds of 550 species, and may possibly hold the record for number of species ringed.

Though he cannot be credited with pioneering the process, Jack Miner's impact on bird banding was significant.

In the period 1902-1922, Cole wrote seven papers on bird banding.

It does so through a combination of bird banding, daily censuses and observations.

Marvelwood is the only high school in North America to participate in bird banding.

The trip includes bird banding, insect and mammal research, and community service in villages in the rainforest.

In his wanderings, he has been stopped by an armed backwoodsman suspicious that bird banding was a way to send messages to the Communists.