This tool accepts the same URL parameters as /observations, but you must add at least one of the following parameters to use it:

place_id

Example: /observations/taxa?hrank=species&on=2023&place_id=belgium&user_id=silversea_starsong

user_id

Example: /observations/taxa?hrank=species&on=2023&user_id=1

projects

Example: /observations/taxa?hrank=species&on=2023&projects=10&user_id=silversea_starsong

on

Example: /observations/taxa?hrank=species&on=2012-01-01&user_id=silversea_starsong

d1 and d2 (max date range 1 year)

Example: /observations/taxa?d1=2012-01-01&d2=2012-01-30&hrank=species&on=2023&user_id=silversea_starsong