Keulemans

Rufus-necked wood rail Johannes Gerardus Keulemans

Yellow-crowned euphonia and fulvous-vented euphonia Johannes Gerardus Keulemans

Howler monkey Johannes Gerardus Keulemans

Variegated squirrel Johannes Gerardus Keulemans

The Magpie Johan Gerard Keulemans

Northern royal flycatcher Johannes Gerardus Keulemans

Huia Johan Gerard Keulemans

A Magpie Observing Fieldmice Johan Gerard Keulemans

Hummingbirds Johannes Gerardus Keulemans

Hummingbirds Johannes Gerardus Keulemans

Indian black turtle (Melanochelys trijuga) Keulemans

New Zealand Quail Johan Gerard Keulemans

Tapir Johannes Gerardus Keulemans

The Wolf (black variety); Canis lupus John Gerrard Keulemans

Arctic fox (Vulpes lagopus) J. G. Keulemans

The Common Wolf; Canis lupus John Gerrard Keulemans

The Common Fox; Canis vulpes John Gerrard Keulemans

Birds of Philippines Anonymous

Keele Hall Michael Burghers

Burmese eyed turtle (Morenia ocellata) Keulemans

Phayre’s squirrel (Callosciurus phayrei) Keulemans

Northern river terrapin (Batagur baska) Keulemans

The Hyaena Dog; Lycaon pictus John Gerrard Keulemans