The result was that the males who had had their plumage enhanced fathered a higher proportion of the clutches in their nests the second time round.
ECONOMIST: Male birds cannot afford to relax their standards
"People say that you can't recapture your youth, it'll never be the same second time round, but that's utter rubbish, " he said.
The Knicks finished 54-28, the second-best record in the East, and reached the second round for the first time since 2000.
He is now the clear favourite to win the second round in two weeks time.
For the first time since he lost in the second round of Wimbledon last year, Nadal will enter tournaments that include tennis's other titans: Novak Djokovic, Roger Federer and Andy Murray.
Players such as Jason Kidd, Kurt Thomas, Rasheed Wallace and Marcus Camby, all 38 or older, were counted on to provide postseason experience but either weren't healthy (Thomas and Wallace), playing poorly (Kidd) or hardly playing at all (Camby) by the time the second round began.
After an initial lay-off, she was forced off the circuit for a second time after being knocked out of the French Open in the second round.
The Spartans (25-8) gradually pulled away after that and advanced to the second round for the eighth time in nine NCAA appearances, a streak interrupted by a loss to Louisville on the same College Park court a year ago.
The two-10-year spread also flattened hugely with the gradient of the curve falling below 200 basis points (2%) for the first time since October and ahead of the expected second round of quantitative easing.
But the eyes of the tennis world were on Nadal as he returned to the more unforgiving hard court surface for the first time in 346 days with a second round match against Ryan Harrison of the United States Saturday.
The Bruins reached the third round of the NHL playoffs for the second time since 1992.
Wozniacki will now head to Sydney to get in some match practice ahead of the Australian Open, while Russian-born Pervak goes into the second round at Brisbane for the first time in four attempts.
The Croat kept her cool to seal a second round spot at Wimbledon for the first time.
Tendulkar, who fell two runs short of a record-extending 49th Test century in the first innings, had advanced to 38 second time round when he slashed at a Bollinger delivery and gloved a catch straight to Mike Hussey in the gully.
Both players were in action for the first time since suffering shock second-round defeats at Wimbledon.
Can anyone remember the last time loyalty alone drove the decision to raise a second or third round of funding?
Historically, No. 10 and No. 12 seeds that pull first-round upsets also win in the second round nearly half the time.
She was later joined in the second round by three-time champion Serena Williams , who beat Neuza Silva of Portugal 6-1 7-5.
Pittsburgh got into position to advance to the second round for the first time since 2010 when it won 4-0 in Game 5 with Vokoun in goal instead of Marc-Andre Fleury.
He will be willing to use multiple players on Anthony, who is out of the first round for just the second time in his career.
But Honda teed up Shinji Okazaki to seal a famous victory for Japan, which ensured they finished runners-up to Netherlands in Group E and reached the second round for only the second time in their history.
Fighting for only the second time in 17 months, former British and IBO champion Wilders dominated the 12-round contest to win by a unanimous verdict.
Rusedski won his service game but Henman took the first of his three match points with a service winner to secure his place in the second round at Dubai for the first time in three years.
At the same time, it has just been announced that the two nations will soon hold a second round of diplomatic talks in Baghdad to determine whether there are ways to cooperate on improving the security situation in Iraq.
By the time he was bundled out in the second round of Wimbledon by little-known George Bastl, Sampras cut a rather pathetic figure.
The course record was set for the second time in two days at the Samsung World Championship as Cristie Kerr hit a stunning eight under par round of 64 to take the lead.
It had been 222 days since Rafael Nadal last played singles tennis, the last time being an immolation in Wimbledon's second round to a rampaging Lukas Rosol.
Maria Sharapova was even more convincing a few hours earlier, winning 6-0, 6-0 for the second time in two matches to set up a third-round encounter with Venus Williams.
Russell's compatriot Brian Baker enjoyed a more successful opening day, reaching the second round of the Australian Open for the first time in his career, beating Florida-based Russian Alex Bogomolov Jr. 7-6 (7-4) 6-3 6-7 (0-7) 3-6 6-2.
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