{# ════════════════════════════════════════════════════════════════════════ Side-by-side Comparison Table ════════════════════════════════════════════════════════════════════════ #}

Side-by-Side Comparison

คุณสมบัติ	Buff-necked Ibis	Black-headed Ibis
ชื่อวิทยาศาสตร์	Theristicus caudatus	Threskiornis melanocephalus
อันดับ	Pelecaniformes	Pelecaniformes
วงศ์ตระกูล	Threskiornithidae	Threskiornithidae
สถานะการอนุรักษ์	Least Concern	Least Concern
ความยาว	—	—
กว้างปีก	78.6 cm (30.9 in)	70.0 cm (27.6 in)
น้ำหนัก	1708.0 g (60.25 oz)	1303.0 g (45.96 oz)
อาหาร	--	--
จำนวนไข่	1-3	2-4
Population Trend	—	—

{# ════════════════════════════════════════════════════════════════════════ Visual Size Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Habitat Comparison ════════════════════════════════════════════════════════════════════════ #}

Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

🌿 Wetland

Buff-necked Ibis only

🌾 Grassland

Black-headed Ibis only

🏖️ Coastal

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

สถานะการอนุรักษ์

Least Concern

Buff-necked Ibis

Least Concern

Black-headed Ibis

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

About These Birds

Buff-necked Ibis

71–76 cm. White head and neck with rusty tone; black back; buff breast; bare yellow facial skin. Widespread in South America from Colombia and Venezuela south to Argentina in open savannas and grasslands. Feeds on invertebrates, lizards, and frogs. Common; often in pairs or small groups.

Black-headed Ibis

65–76 cm. White with bare black head; black wingtips and neck feathers. Resident across South and Southeast Asia in wetlands, rice paddies, and grasslands. Near Threatened; declining due to habitat loss and hunting. Feeds by probing in shallow water for fish and invertebrates; colonial nester.

{# ════════════════════════════════════════════════════════════════════════ Related Comparisons ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ More Birds in Family ════════════════════════════════════════════════════════════════════════ #}

More Birds to Explore

More from Threskiornithidae

Straw-necked Ibis Threskiornis spinicollis Northern Bald Ibis Geronticus eremita Olive Ibis Bostrychia olivacea Andean Ibis Theristicus branickii All Threskiornithidae birds →

Explore the Nature FYI Family

🧬 SpeciesFYI

Species & Taxonomy

🦕 DinoFYI

6,000+ Dinosaurs

🐟 FishFYI

Fish & Marine Life

🌿 PlantFYI

379,000+ Plants