| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
This landmark ornithological atlas fills a major gap in knowledge of the Horn of Africa's birdlife. Based on over 35 years of field research, museum data, published records, and birdwatcher sightings, it maps the distribution and breeding status of approximately 870 bird species in Ethiopia and Eritrea at a half-degree grid resolution. Each species account includes detailed range maps, notes on habitat, breeding behavior, and subspecies-level variation, offering an unmatched overview of regional avifauna.