Pygmy Cormorant vs Double-crested Cormorant
Microcarbo pygmaeus so với Nannopterum auritum
Side-by-Side Comparison
| Thuộc Tính | Pygmy Cormorant | Double-crested Cormorant |
|---|---|---|
| Tên Khoa Học | Microcarbo pygmaeus | Nannopterum auritum |
| Bộ | Suliformes | Suliformes |
| Họ | Phalacrocoracidae | Phalacrocoracidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 40,2 cm (15.8 in) | — |
| Khối Lượng | 693,3333333333334 g (24.46 oz) | 1936,0 g (68.29 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-8 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Pygmy Cormorant only
Không
Double-crested Cormorant only
Không
Tình Trạng Bảo Tồn
Least Concern
Pygmy Cormorant
Least Concern
Double-crested Cormorant
About These Birds
Pygmy Cormorant
45–55 cm. Small; dark brown with chestnut head and neck in breeding; pale yellow throat. Resident across eastern Europe, Middle East, and Central Asia in freshwater lakes and rivers. Vulnerable; declining due to wetland degradation. Feeds on small fish by diving.
Double-crested Cormorant
70–90 cm, wingspan 114–123 cm. Dark with two small orange ear tufts in breeding; orange-yellow facial skin. Widespread across North America and Central America. Highly adaptable; colonial nester. Controversial where it competes with commercial fisheries; feeds almost exclusively on fish.