Observations links not working correctly with fields

Please fill out the following sections to the best of your ability, it will help us investigate bugs if we have this information at the outset. Screenshots are especially helpful, so please provide those if you can.

Platform (Android, iOS, Website): website

App version number, if a mobile app issue (shown under Settings or About):

Browser, if a website issue (Firefox, Chrome, etc) : chrome

URLs (aka web addresses) of any relevant observations or pages:

Screenshots of what you are seeing (instructions for taking a screenshot on computers and mobile devices: https://www.take-a-screenshot.org/):

Description of problem (please provide a set of steps we can use to replicate the issue, and make as many as you need.):

Step 1: open in chrome this URL: https://www.inaturalist.org/observations?place_id=18&preferred_place_id=1&subview=map&taxon_id=47782&view=species&field:has%20young%3F=

Step 2: click on “# observations” for one of the species with few observations

It erroneously brings up a list of all observations rather than the ones with the field set