UC IUCN · LC · Least Concern Charadriiformes Alcidae

Ancient Murrelet

Synthliboramphus antiquus

UCIOC 2339

Ancient Murrelet

Synthliboramphus antiquus

Charadriiformes · Alcidae

Ancient Murrelet (Synthliboramphus antiquus).

ATK155

DEF101

2278 / 11068

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Illustration · not to scale

Body Mass: 217.7 g
Wingspan: 42 cm
Diet: Aquatic prey
Migration: Migratory

⚔️ Ecological Combat Rationale

ATK 155

Dagger-like or spear bill specialized for precision thrusts and instantaneous underwater strike acceleration (ATK 155).

DEF 101

Tightly preened water-repellent oiled plumage resisting freezing currents and dive water resistance (DEF 101).

* These descriptions interpret game abilities, not measured physical strength. Generated scores use body mass, rarity and balancing rules; legacy cards retain manual values.

How to identify

Detailed field marks are not yet available. Use the linked sources to confirm an identification.

Similar species

Species-specific comparison notes are not yet available. Related birds below are not necessarily lookalikes.

Calls & songs

A playable recording is not currently available for this species.

🌍 Range & Habitat

Distribution: Palearctic & North America: temperate Northwestern to Northeastern North Pacific coasts: patchily Kamchatka & Sea of Okhotsk & Sakhalin & Kuril and Commander is. (Eastern Russia); Sea of Japan and Yellow Sea & Aleutian Is. & Gulf of Alaska to Western British Columbia (Southwestern Canada) Habitat: Marine & Coastal

2 · Subspecies & regional ranges

Synthliboramphus antiquus antiquus
coastal Kamchatka to Yellow Sea, Kuril is. (e Russia); Aleutian Is. to w British Columbia (sw Canada)
Synthliboramphus antiquus microrhynchos
Commander Is. (se Russia)

IOC World Bird List 15.2 ↗

Frequently asked questions

What is its scientific name?

Synthliboramphus antiquus

Which family does it belong to?

Auks (Alcidae)

Where is it found?

Palearctic & North America: temperate Northwestern to Northeastern North Pacific coasts: patchily Kamchatka & Sea of Okhotsk & Sakhalin & Kuril and Commander is. (Eastern Russia); Sea of Japan and Yellow Sea & Aleutian Is. & Gulf of Alaska to Western British Columbia (Southwestern Canada)