They also recorded 28 species of mammals, 12 of which are endemic to Borneo.
Crawfordsburn Country Park won in 2012 having recorded 984 species.
There were recorded 4334 species of plants (683 of them are endemics).
Surveys in 1938 and 1939 recorded 37 species of plants.
He returned over the next four years covering every month from March to September and recording many additional species.
In 1861, Hamilton recorded 114 species of birds near Kodaikanal.
Botanists previously recorded 20 species but present thinking has reduced these to 12.
By 1979, however, it had been restocked with more than 30,000 fish, and birds quickly became established again: a study recorded 58 species.
In 1942 another amateur botanist recorded 262 species of flowering plants at Tintagel.
A field survey of the region in January 1989, before the dam was built, recorded 120 species of birds, mostly small insectivores.