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Topic: population decline

Invasive forage grass leads to grassland bird decline

The prairies of North America once covered vast stretches of land, with towering grasses creating ideal nesting and forage habitat for grassland birds. But...

Bird communities dwindle on New Mexico’s Pajarito Plateau

Researchers have found declines in the number and diversity of bird populations at nine sites surveyed in northern New Mexico, where eight species vanished...

Illinois’ imperiled eastern massasauga rattlesnakes retain genetic diversity

Habitat loss, habitat fragmentation and the loss of genetic diversity are the three main factors driving the extinction of many wild species, and the...

Scientists stunned by decline of raptors in South Africa

A two year project to repeat a famous bird survey by driving over 20, 000km in a 4x4 across Botswana has confirmed researchers' fears:...

Armed conflicts in Sahara and Sahel endangering wildlife in the region

An international study, involving researchers from the University of Granada, has established that the escalation of armed conflicts in the Sahara-Sahel region is leading...

River dolphins are declining steeply in the Amazon basin

Populations of freshwater dolphins in the Amazon basin are in steep decline, dropping by half about every decade at current rates, according to a...

Cambodia’s last leopards on brink of extinction

A new study has confirmed that the world's last breeding population of leopards in Cambodia is at immediate risk of extinction, having declined an...

Albatrosses in decline due to anthropogenic factors

The populations of wandering, black-browed and grey-headed albatrosses have halved over the last 35 years on sub-antarctic Bird Island according to a new study...

Study pinpoints arctic shorebird decline

A new study co-authored by WCS (Wildlife Conservation Society) addresses concerns over the many Arctic shorebird populations in precipitous decline. Evident from the study...