เป็ดดำหัวสีน้ำตาล vs small tortoiseshell

Aythya nyroca compared with Aglais urticae

Key Differences

• เป็ดดำหัวสีน้ำตาล is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	เป็ดดำหัวสีน้ำตาล	small tortoiseshell
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Arthropoda (สัตว์ขาปล้อง)
Class	Aves (นก)	Insecta (แมลง)
Order	Anseriformes (อันดับห่าน)	Lepidoptera (ผีเสื้อ)
Family	Anatidae	Nymphalidae (Brush-footed Butterflies)
Genus	Aythya	Aglais
Species	Aythya nyroca	Aglais urticae

Evolutionary Relationship

เป็ดดำหัวสีน้ำตาล and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

เป็ดดำหัวสีน้ำตาล

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	เป็ดดำหัวสีน้ำตาล	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

เป็ดดำหัวสีน้ำตาล

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Asia (Taiwan) and Europe (8 countries).

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

เป็ดดำหัวสีน้ำตาล

Ferruginous Duck (Aythya nyroca) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇺🇦 Ukraine 🇬🇧 United Kingdom