The dove-sized birds were recorded bellowing at levels as high as 125 decibels.
A team from the University of Massachusetts Amherst and Brazil's National Institute for Amazon Research in the rainforest.
In research published in the journal Current Biology the scientists say males seemed to save their loudest call for when a female was perched close to them, sometimes within four meters.
Not everyone was thrilled with their team's draft on Thursday night.
Which new uniforms are winners this season?
JPMorgan's CEO is concerned the US economy could be in for a repeat of the stagflation that hampered the country during the 1970s.
What would a mock draft look like using just betting odds?
Vincent Goodwill and Tom Haberstroh break down last night’s NBA Playoffs action and preview several games for tonight and tomorrow.
The Red Sox were already mourning the loss of Tim Wakefield from that 2004 team.
Ryan Gosling, who starred in the skit, couldn't keep a straight face — and neither could some of the "Saturday Night Live" cast.
The 25-year-old labeled "mentally fragile" by many delivered the upset for the ages.
As automakers shift to EVs, trim the fat on their lineups and cull slow-selling models, these are the vehicles we expect to die off soon.
iSeeCars found that a handful of brands sell new cars much faster than others and noted that EVs are taking longer to sell than hybrids.
Reid's deal reportedly runs through 2029 and makes him the highest-paid coach in the NFL.
Dan Wetzel, Ross Dellenger & SI’s Pat Forde react to the huge performance this weekend by Texas QB Arch Manning, Michigan and Notre Dame's spring games, Jaden Rashada entering the transfer portal, and more
Cortés' attempt didn't fool Andrés Giménez, who fouled off the pitch.
People's definition of "old age" is older than it used to be, new research suggests.
Trump is entitled to an additional 36 million shares if the company's share price trades above $17.50 "for twenty out of any thirty trading days" over the next three years.
Two-thirds of Americans reported that they feel confident they have enough money for a comfortable retirement, up a notch from last year.
Red Bull and Max Verstappen have dominated Formula 1 since new car rules were implemented in 2022.
Here are five franchises who stood out, for better or for worse.
Charlie Woods shot a 9-over 81 in the first stage of U.S. Open qualifying on Thursday in Florida.