Titmouse

Status signals allow senders and receivers to minimize the costs of competition by minimizing the need for costly physical fights… (More)

Individuals often produce alarm or mobbing calls when they detect a threat such as a predator. Little is known about whether such… (More)

Numerous diseases of wildlife have recently emerged due to trade and travel. However, the impact of disease on wild animal… (More)

—Tufted Titmice (Baeolophus bicolor) and Carolina Chickadees (Poecile carolinensis) often occur together in mixed species flocks… (More)

Going on with the studies from 1982 (s.Schwenke, 1983) two new types of bat boxes were tested in 1983 in addition to the three… (More)

Using a modern data survey system combined with a videocamera for observation, it was possible to determine the percentage of… (More)

Differences in the ecological distributions of the Nearctic and Palearctic species of Parus strongly imply that North American… (More)

The subfraction composition of lysine-rich histone has been studied with the aid of polyacrylamide gel electrophoresis. The… (More)