Long|term changes in the breeding bird populations of a New ...

Long-term changes in the breeding bird populations of a New ...

One long-distance migrant species increased as a result of geographical range expansion. One short-distance migrant species, wintering mainly in the ...

Long-term changes in the breeding bird populations of a New ...

Annual return rates in the first year after banding of long-distance migrants were higher than those for short-distance migrants or resident species. These data ...

Long-term changes in the breeding bird populations of ... - NASA ADS

The breeding bird populations at Hutcheson Memorial Forest in central New Jersey, USA, were sampled by mist-netting from 1959 through 1985.

Long-Term Changes in Breeding Bird Community of a Primeval ...

The numbers of individual bird species strongly fluctuated, with most of the species showing alternating phases (the initial periods of ...

The effect of climate change on the duration of avian breeding ...

A meta-analysis of 65 long-term studies of 54 species from the Northern Hemisphere has revealed that within the last 45 years an average ...

Long-term and large-scale multispecies dataset tracking population ...

So far, PECBMS has produced 15 annual updates of the between-year and long-term changes of widespread and common bird species breeding in Europe ...

Long-term trend toward earlier breeding in an American bird - PNAS

In northern areas, global warming may be expected to cause trends toward earlier onset of breeding in most species of birds because birds in the south generally ...

Nearly 3 Billion Birds Gone - Cornell Lab of Ornithology

Grassland bird populations collectively have declined by 53%, or another 720 million birds. A staggering loss that suggests the very fabric of North America's ...

Are changes in breeding habitat responsible for recent population ...

Conclusions: Changes in woodland structure are unlikely to be the main driver of population change in these four migrant bird species, and large-scale factors ...

The Breeding Bird Survey: Its first fifteen years, 1965-1979

... long-term population trends, and (5) invasions of exotics. The BBS also ... changes, and to make recommendations for controlling undesirable bird population ...

How does climate change affect global bird reproduction? | Illinois

A new study reported in the Proceedings of the National Academy of Sciences assessed changes in the reproductive output of 104 bird species ...

Response of Bird Populations To Long-Term Changes In Local ...

Poisson regression models revealed relationships between these covariates and population changes for 19 bird species and for seven groups of ...

North American Breeding Bird Survey status and trend estimates to ...

Different conservation-based uses of the BBS status and trend estimates relate to different aspects of population change, including long-term ...

Climate warming alters offspring production of birds, study shows

A global meta-study investigating the effects of climate change on bird reproduction has found an overall decline in annual offspring ...

North America Has Lost More Than 1 in 4 Birds in Last 50 Years ...

For migratory species, long journeys and changes to winter habitats could pose additional challenges. The study itself doesn't look at causes, but the results ...

Fifty years on, the Breeding Bird Survey continues to produce new ...

Since data collection began in the 1960s, significantly more species have been declining than increasing. Looking at patterns of change in ...

Response of breeding and migrating bird populations to climate ...

Our study shows that human-caused climate change in the Southwest is already affecting bird populations and, in many ways, we are entering a new ...

Changes in breeding phenology and population size of birds - Dunn

Climate change is often associated with earlier breeding in birds, and this advancement could ultimately affect population size.

The effect of climate change on avian offspring production - PNAS

We collected long-term breeding data on 201 populations of 104 bird species (N = 745,962 clutches) from all continents, between 1970 and ...

Global warming shrinks bird breeding windows, potentially ... - Science

Now, a new study suggests that as the climate warms, birds are not only breeding earlier, but their breeding windows are also shrinking—some by ...