http://www.flickr.com/photos/johnfish/
According to the flickr profile they are a brother and sister photography duo working out of Taipei, Taiwan.
There are HUNDREDS of photos! I highly encourage you to explore this gorgeous photostream. Even if you couldn't give a damn about birds!
Here is just a small sampling of their incredible shots:

Taiwan Yuhina, taken at Basianshan National Forest, Taiwan

Japanese White Eye, taken at Chinshan, Taiwan

Firecrest, taken at Alishan, Taiwan

Plumbeous Water Redstart, taken at Wuling Farm, Taiwan

Vivid Niltava, taken at Xin_Zhongheng, Taiwan

Fulvous-faced Flycatcher Warbler, taken at Wuling Farm, Taiwan

Rufous-bellied Blue Flycatcher, taken at Shi-Tou, Taiwan