100 kinds of animals' dataset for recognition

The dataset includes 100 common animals (including insects, birds, mammals, reptiles, and fish) and nearly 40000 portrait images. The dataset is sourced from online images cn.bing.com/images/ The images obtained by searching with animal names as keywords were downloaded and cleaned using Microsoft Edge's extended image assistant (ImageAssistant). The dataset contains a total Animal folder, which includes 100 subfolders named after animals.

Each folder contains 300-400 animal portrait images. The dataset has undergone preliminary cleaning, removing most of the image data unrelated to real animal portraits (including animal dolls, toys; non animal portrait images, multiple animal appearances, etc.), but there are still a small number of noisy images, accounting for about 1% -1.5%. This dataset has a large scope and covers a large number of animals, so more specific species classification of animals has not been strictly divided (such as treating great white sharks, hammerhead sharks, gray eyed sharks, etc. as sharks).