FILE
Only .jpeg format can be accepted.
Exif data is important, so check that it is present before sending the photo.
LOCATION
If the photo doesn’t have geolocation data, please say so in the message or preferably identify in which square the photo was taken.
SIZE / WEIGHT
The long side should be between 800 and 2048 pixels, with a maximum file size of 9 Mo.
If you resize your photos, portrait style is preferred with a ratio (height/width) between 1 (1:1) and 1.3 (4:3).
QUALITY
Please don’t offer out of focus or bad quality photos unless they are of rare species not already illustrated on the site.
