"The oceans were ripe for the picking with the lack of mega predators", Scofield said, according to the Associated Press.
That's compared to the largest penguin species of today - the Emperor Penguin - which stand at around 1.2 metres.
He said that following the extinction of dinosaurs, marine reptiles and big fish, it seemed there was an evolutionary opportunity for penguins to thrive and grow in size.
Love found the leg bones of a single individual-as well as some possible wing bones-which Mayr and his team used to identify the penguin as a new species.
Analysis of the C. waiparensisfossils showed that its closest known relative was another Paleocene giant penguin species known as Crossvallia unienwillia which was first discovered in Antarctica, underlining the ancient connection between the icy continent and New Zealand. The modern bird stands between 3 and 3.9 feet (0.9 and 1.2 m) tall.
The leg bones of both Crossvalliapenguins suggest their feet played a greater role in swimming than those of modern penguins, or that they hadn't yet adapted to standing upright like modern penguins.
New Zealand is well-known for having hosted large birds in the past-including giant eagles, giant penguins and the flightless moa.
This shrinkage is thought to be related to the rise of sea mammals - seals, whales and others, competing for the same food resources and breeding grounds - which started to occur around the same time penguins started getting smaller.
The ancient avian came to light thanks to an amateur palaeontologist named Leigh Love, who found the bird's leg bones previous year at the Waipara Greensand fossil site in North Canterbury.
"It wasn't until I got the fossils home and did a little preparation that I realized I had something completely different than what had been found before", he said.
The fossils will be displayed at the museum later this year.
"This site is pretty much unique", Mr Scofield said.
It's no wonder, either, as being big has huge advantages for marine birds, said Daniel Ksepka, a curator at the Bruce Museum in Greenwich, Connecticut, who was not involved in the research.
Along with last week's enormous parrot, this mighty penguin is yet another reminder that prehistoric New Zealand was a fantasy land with some delightfully unusual creatures. He said one challenge was trying to determine the overall size of the birds from skeleton fragments, but added that it was a challenge everybody in the field faced.
The discovery of the new penguin species is the fifth ancient penguin species uncovered at the Waipara Greensand site.
Dr Paul Scofield, co-author and a senior curator at the Canterbury Museum, said the discovery is significant because the species is similar to another giant penguin found in Antarctica and helps connect the two regions.
On Aug. 5, she tweeted from her Wii U - thanking everyone for their support in her quest to tweet, no matter the consequences. This tweet was sent from her Nintendo 3DS, but she was found out again by her mum, who composed the next tweet for her.
It has a dual rear camera setup accompanied with an LED flash, aligned horizontally, like the one we have seen in G8 ThinQ. The company first announced that it would release a new dual-screen smartphone at the IFA 2019 in Berlin on September 6.
"The airport is experiencing flight disruption and intending passengers are asked to contact their airline". All outgoing and incoming passengers have been advised to contact their respective airlines.
Serious illness can occur in people of any age, but the elderly and those with weakened immune function are particularly at risk. The birds will not be collected, but their incidence can help determine the extent of West Nile virus activity".
In one instance cited by the group, the mined Monero was sent to servers located at Kim IL Sung University in Pyongyang. South Korea is the most favorite target, suffering from as many as 10 attacks, according to the leaked summary report .
After her body was discovered , her family released a statement thanking those who had come to the family's aid. Mohamad said there were also some bruises on the girl's legs but they wouldn't have caused her death.
Thunberg, who has spent hours on trains across Europe to spread her message, was relaxed about the basic conditions. The yacht is made for racing, with foils, or wings, that lift it out of the water for a faster and smoother ride.
Murray has been playing doubles for the past two months, winning at Queen's Club in London with Feliciano Lopez. Gasquet, however, who won the Cincinnati Masters in 2008 and 2011, was too strong for his opponent.
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