As the climate changes, are monarchs changing, too?
The western monarch butterfly population has been decreasing on its usual breeding grounds throughout the West. Last winter, overwintering numbers were the lowest ...
breeding
Climate change shifts breeding time for finches
Wild house finches (Haemorhous mexicanus) are changing the timing of their breeding season due to changes in climate, according to recent research. Researchers ...
Female birds sing, too, but do they go unheard?
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 ...
Endangered Mexican sea turtles at risk of bycatch
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. ...
JWM: Winter conditions stress pronghorn the next summer
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. ...
JWM: Hungry ghost crabs may haunt plover nests
Imperiled piping plover (Charadrius melodus) populations have been gradually growing since the species gained federal protection over three decades ago, but in ...
As birds breed earlier, nests end up in the path of farm equipment
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 ...
Climate change threats to Hawaiian tree impact birds, too
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, ...
California birds adjust nest timing in a warming climate
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 ...
Salamanders’ breeding season affects dispersal, gene flow
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 ...