Tag: breeding

The western monarch butterfly population has been decreasing on its usual breeding grounds throughout the West. Last winter, overwintering numbers were the lowest ever recorded. But that may not mean...

Wild house finches (Haemorhous mexicanus) are changing the timing of their breeding season due to changes in climate, according to recent research. Researchers already knew that many birds were breeding...

Do female birds need a feminist movement? A pair of researchers is suggesting that scientists tend to tune in to male birdsongs and overlook female songs, leaving an important aspect...

On a Baja California Peninsula beach, sometimes over 1,000 sea turtles a year unexpectedly wash up dead because local fishermen incidentally entangle them offshore. Analyzing these animals’ bones, researchers discovered...

The Red Desert of south-central Wyoming has long been known for robust pronghorn populations, but in the last two decades, herds have diminished up to 30 percent. The deep snow...

Imperiled piping plover (Charadrius melodus) populations have been gradually growing since the species gained federal protection over three decades ago, but in North Carolina, they’re rearing the fewest fledglings. Researchers...

Birds that nest in farmers’ fields may find themselves increasingly in the path of farming equipment as climate change prompts the birds to breed before planting season begins. Looking at...

On the Big Island of Hawaii, hundreds of thousands of ‘ohi’a trees, whose scarlet blooms color the archipelago and sustain many endemic nectar-feeding birds, are swiftly succumbing to a fungal...

Birds in California have shifted their breeding season about five to 12 days earlier than a century ago, according to new research. TWS member Steven Beissinger, a professor of ecology...

Recent research on salamander gene flow in the forests of Missouri indicates that when deciding which ponds to protect on a landscape to conserve amphibian populations, biologists should pay attention...