michalmolas/birds-of-poland

This dataset contains images of birds that can be found in Poland (according to https://avibase.bsc-eoc.org/checklist.jsp?region=PL).

Fetching

The images were fetched from iNaturalist API (the photos have variouc cc licences, individal credits can be found in the metadata.jsonl file). There are ~400 images per bird (for most birds):

mean	std	min	25%	50%	75%	max
418.788618	87.015087	63.000000	384.750000	435.000000	475.500000	552.000000

Processing

The photos were run through a Faster R-CNN network, to detect bird bboxes and scaled to 224x224.

Image was only accepted if there was exactly one match found, to avoid using photos with multiple (or none) species in one picture.