Conversation so far:
Where did Captain Cook go on his first voyage?
The first voyage of James Cook was a combined Royal Navy and Royal Society expedition to the south Pacific Ocean
Which islands did James Cook visit in the Pacific on his first voyage
James Cook set sail into the largely uncharted ocean to the south, stopping at the Pacific islands of Huahine, Borabora and Raiatea to claim them for Great Britain
Tell me something noteworthy that happened on James Cook's first voyage?
In September 1769 James Cook's expedition reached New Zealand, being the second Europeans to visit there, following the first European discovery by Abel Tasman 127 years earlier.
Which ship did James Cook go on for his first voyage?
The first voyage of James Cook was aboard HMS Endeavour
Who else was on James Cook's first voygage trip?
The voyage was commissioned by King George III and commanded by Lieutenant James Cook, a junior naval officer with good skills in cartography and mathematics.
Was James Cook's first voyage a success?
Did James Cook go on land to observe the indigenous australians?
James Cook's journal entries reflect regret as he had failed his instructions to avoid hostilities with the indigenous of any nations encountered.

Question: What else did he discover on his first voyage?
Self-contained rewrite: What else did James Cook discover on his first voyage aside from his regret as he had failed his instructions to avoid hostilities with the indigenous of any nations encountered?