Upland Ground Birds
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Passenger Pigeon

Ectopistes migratorius

Last update: 14 Apr 2026

Passenger Pigeon の基本情報

Scientific NameEctopistes migratorius
Status EX 絶滅
Size39-41 cm (15-16 inch)
Colors
Grey
Blue
Type
Upland Ground Birds
type
FamilyPigeons, Doves

はじめに

リョコウバト(学名:Ectopistes migratorius)は、かつて北アメリカ大陸に数十億羽という驚異的な個体数で生息していた、歴史上最も有名な絶滅鳥類の一つです。その名の通り「旅行する鳩」として知られ、広大な大陸を季節ごとに移動する習性を持っていました。かつては空が暗くなるほどの大群で移動する光景が目撃されていましたが、19世紀後半からの乱獲と森林伐採によって、わずか数十年のうちに個体数は激減しました。1914年にシンシナティ動物園で最後の個体「マーサ」が死亡したことで、この種は完全に地球上から姿を消しました。本記事では、この伝説的な鳥の生態、外見的特徴、そしてなぜ彼らがこれほどまでに繁栄し、そしてなぜ絶滅に至ったのかを、鳥類学的な視点から深く掘り下げて解説します。

外見・特徴

リョコウバトの体長は約39〜41cmで、一般的なハトよりもややスリムで流線型の美しい体型をしていました。主たる羽色は灰色であり、背中や翼には青みがかった光沢が混ざるのが特徴です。オスは特に繁殖期になると、胸部に鮮やかな赤褐色からオレンジ色の色彩が表れ、首筋には虹色の金属光沢が見られました。メスはオスに比べて全体的に色が地味で、茶色や淡い灰色が基調となっていました。彼らの翼は非常に長く、高速かつ長距離の飛行に適した形状をしていました。尾羽も長く鋭い形をしており、空中で急旋回や急降下を行う際の舵として機能していました。その洗練された外見は、群れで飛行する際に空中で複雑なダンスを繰り広げるための機能美とも言えます。

生息地

リョコウバトは主に北アメリカの東部から中部に広がる広大な落葉広葉樹林を主要な生息地としていました。特にオーク(ナラ)やブナ、栗の木が密集する森林を好み、これらの木々がもたらす堅果を主な食料源として利用していました。彼らは特定の場所に定住するのではなく、食物となる堅果が豊富な場所を求めて数千キロメートルにも及ぶ移動を繰り返す「遊牧的」な生活を送っていました。繁殖期には特定の森林地帯に数百万羽規模で集まり、大規模な営巣地を形成することで、外敵に対する防御力を高める戦略をとっていました。

食性

リョコウバトの食性は主に堅果類(マスター)に依存していました。特に秋から冬にかけては、オークの実(ドングリ)やブナの実を大量に摂取することで、厳しい季節を乗り切るためのエネルギーを蓄えていました。彼らの消化器官は非常に発達しており、大量の堅果を素早く飲み込み、喉の奥にある「そのう」に貯蔵する能力を持っていました。これにより、一度の食事で大量のエネルギーを得ることが可能でした。また、季節によっては種子やベリー類、時には昆虫なども摂取していましたが、基本的には森林の豊かさを象徴する堅果食のスペシャリストでした。

繁殖と営巣

リョコウバトの繁殖行動は非常に集団的でした。彼らは数千エーカーにも及ぶ広大な森林を占拠し、一つの木に何十もの巣を作ることも珍しくありませんでした。巣は小枝を粗末に積み上げただけのシンプルな構造でしたが、その密集度は凄まじく、巣の重みで太い枝が折れることもあったと言われています。産卵数は通常1個で、両親が協力して約12〜14日間抱卵しました。雛は急速に成長し、孵化からわずか2週間程度で巣立ちを迎えます。この驚異的な繁殖スピードと集団営巣により、彼らは外敵に多少捕食されても種全体としては繁栄を維持することができていたのです。

習性・行動

リョコウバトの最も特徴的な行動は、超大規模な群れでの移動です。数百万羽から数十億羽が一体となって空を埋め尽くす光景は、当時の目撃者たちに「空が暗くなった」と言わしめるほどでした。彼らは非常に高い知能と社会性を持ち、群れ全体で情報を共有しながら食物を探し求めていました。また、飛行能力は極めて高く、時速100kmを超えるスピードで長距離を移動することができました。彼らは非常に社交的であり、群れから離れることは生存率を下げることにつながるため、常に集団で行動する習性が深く刻まれていました。

保全状況 - EX 絶滅

リョコウバトは現在、国際自然保護連合(IUCN)のレッドリストにおいて「絶滅(Extinct)」に分類されています。19世紀初頭には北米で最も多い鳥と言われていたにもかかわらず、人間による無制限の乱獲と、彼らの生息地であった原生林の大規模な伐採が致命的な打撃となりました。通信技術の発達により群れの場所が即座に特定され、商業目的で組織的に狩猟されたことが絶滅を加速させました。保護の試みは遅すぎたため、最終的には野生下での繁殖能力が失われ、人類の歴史における最大の悲劇の一つとなりました。

面白い事実

  1. かつて北米の全鳥類のうち、約25%から40%がリョコウバトだったと推定されています。
  2. リョコウバトの群れが空を通過する際、あまりの数の多さに太陽が隠れ、数時間にわたって日食のような状態になったという記録があります。
  3. 彼らの鳴き声は非常に大きく、数キロ先まで響く独特の「ケック・ケック」という音でした。
  4. 最後の生き残りであるマーサは、シンシナティ動物園で大切に保護されていましたが、1914年に老衰で亡くなりました。
  5. 彼らは非常に社交的で、群れの中にいることで初めて繁殖行動のスイッチが入る「社会依存型」の繁殖戦略をとっていました。
  6. 商業狩猟により、19世紀末には1羽あたりわずか数セントで市場に出回っていました。

バードウォッチャーへのヒント

残念ながら、リョコウバトはすでに地球上から姿を消しており、野生で姿を見ることは不可能です。しかし、鳥類愛好家として私たちができることは、彼らの歴史から学ぶことです。現在、北米の博物館には剥製や骨格標本が保存されており、それらを見学することで彼らの美しい形態を間近に感じることができます。また、リョコウバトが生息していた環境に近い森を訪れ、現代の鳥たちの保護活動に取り組むことは、彼らのような悲劇を二度と繰り返さないための重要なステップです。自然環境の保全がいかに大切か、彼らの物語を通じて多くの人に伝えることが、現代のバードウォッチャーの使命と言えるでしょう。

まとめ

リョコウバトの物語は、単なる一つの鳥の絶滅ではなく、人間が自然の豊かさを過信し、それを壊滅させることの代償を私たちに突きつけています。数億年かけて進化してきた種が、わずか数十年の人間活動によって跡形もなく消え去った事実は、現代社会においても重い教訓となっています。彼らの美しい灰青色の羽、空を埋め尽くした圧倒的な群れの光景は、もはや写真や標本の中でしか確認できません。しかし、彼らが残した「自然は永遠ではない」というメッセージは、今を生きる私たちに、生物多様性を守ることの重要性を強く訴えかけています。リョコウバトの記憶を風化させず、私たちが地球環境の管理者としてどのように自然と共生すべきかを考え続けることこそが、彼らへの最大の供養となるはずです。私たちは、二度とこのような悲劇を引き起こさないよう、常に野生動物の保護に意識を向けるべきなのです。

Passenger Pigeon の分布図と生息域

The distribution map for this species will be available soon.

We are working with our official data partners to update this information.

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35-40 cm
Mauritius Blue-pigeon
Alectroenas nitidissimus
Mauritius Turtle-dove
28-30 cm
Mauritius Turtle-dove
Nesoenas cicur
Mauritius Woodpigeon
35-40 cm
Mauritius Woodpigeon
Columba thiriouxi
Metallic Pigeon
37-43 cm
Metallic Pigeon
Columba vitiensis
Micronesian Imperial-pigeon
35-40 cm
Micronesian Imperial-pigeon
Ducula oceanica
Mindanao Bleeding-heart
25-30 cm
Mindanao Bleeding-heart
Gallicolumba crinigera
Mindoro Bleeding-heart
28-30 cm
Mindoro Bleeding-heart
Gallicolumba platenae
Mindoro Imperial-pigeon
38-42 cm
Mindoro Imperial-pigeon
Ducula mindorensis
16-18 cm
Moreno's Ground Dove
Metriopelia morenoi
43-51 cm
Mountain Imperial-pigeon
Ducula badia
28-30 cm
Mourning Collared-dove
Streptopelia decipiens
23-34 cm
Mourning Dove
Zenaida macroura
20-23 cm
Namaqua Dove
Oena capensis
Negros Bleeding-heart
25-30 cm
Negros Bleeding-heart
Gallicolumba keayi
Negros Fruit-dove
18-20 cm
Negros Fruit-dove
Ptilinopus arcanus
New Britain Bronzewing
28-32 cm
New Britain Bronzewing
Henicophaps foersteri
New Caledonian Imperial-pigeon
45-51 cm
New Caledonian Imperial-pigeon
Ducula goliath
New Guinea Bronzewing
25-30 cm
New Guinea Bronzewing
Henicophaps albifrons
New Zealand Pigeon
45-51 cm
New Zealand Pigeon
Hemiphaga novaeseelandiae
38-45 cm
Nicobar Imperial-pigeon
Ducula nicobarica
32-40 cm
Nicobar Pigeon
Caloenas nicobarica
38-43 cm
Nilgiri Imperial-pigeon
Ducula cuprea
36-42 cm
Nilgiri Woodpigeon
Columba elphinstonii
34-39 cm
Northern Band-tailed Pigeon
Patagioenas fasciata
Nuku Hiva Imperial Pigeon
40-45 cm
Nuku Hiva Imperial Pigeon
Ducula galeata
23-26 cm
Ochre-bellied Dove
Leptotila ochraceiventris
23-28 cm
Olive-backed Quail-Dove
Leptotrygon veraguensis
Orange Dove
20-22 cm
Orange Dove
Chrysoena victor
Orange-bellied Fruit-dove
21-23 cm
Orange-bellied Fruit-dove
Ptilinopus iozonus
25-30 cm
Orange-breasted Green-pigeon
Treron bicinctus
Orange-fronted Fruit-dove
18-20 cm
Orange-fronted Fruit-dove
Ptilinopus aurantiifrons
30-35 cm
Oriental Turtle-dove
Streptopelia orientalis
Pacific Imperial-pigeon
38-43 cm
Pacific Imperial-pigeon
Ducula pacifica
Palau Fruit-dove
22-25 cm
Palau Fruit-dove
Ptilinopus pelewensis
Palau Ground Dove
22-26 cm
Palau Ground Dove
Pampusana canifrons
Pale Mountain-pigeon
35-40 cm
Pale Mountain-pigeon
Gymnophaps solomonensis
36-40 cm
Pale-capped Pigeon
Columba punicea
25-30 cm
Pale-vented Pigeon
Patagioenas cayennensis
25-28 cm
Pallid Dove
Leptotila pallida
Papuan Mountain-pigeon
35-40 cm
Papuan Mountain-pigeon
Gymnophaps albertisii
Partridge Pigeon
30-32 cm
Partridge Pigeon
Geophaps smithii
Peaceful Dove
19-21 cm
Peaceful Dove
Geopelia placida
Pemba Green-pigeon
25-28 cm
Pemba Green-pigeon
Treron pembaensis
30-35 cm
Peruvian Pigeon
Patagioenas oenops
Philippine Collared-dove
28-30 cm
Philippine Collared-dove
Streptopelia dusumieri
Philippine Cuckoo-Dove
38-41 cm
Philippine Cuckoo-Dove
Macropygia tenuirostris
Philippine Green-pigeon
25-28 cm
Philippine Green-pigeon
Treron axillaris
34-38 cm
Picazuro Pigeon
Patagioenas picazuro
17-19 cm
Picui Ground Dove
Columbina picui
Pied Cuckoo-Dove
38-42 cm
Pied Cuckoo-Dove
Reinwardtoena browni
35-42 cm
Pied Imperial-pigeon
Ducula bicolor
32-42 cm
Pin-tailed Green-pigeon
Treron apicauda
36-38 cm
Pink Pigeon
Nesoenas mayeri
Pink-bellied Imperial-pigeon
38-42 cm
Pink-bellied Imperial-pigeon
Ducula poliocephala
Pink-headed Fruit-dove
19-22 cm
Pink-headed Fruit-dove
Ptilinopus porphyreus
Pink-headed Imperial-pigeon
38-42 cm
Pink-headed Imperial-pigeon
Ducula rosacea
Pink-necked Green-pigeon
25-30 cm
Pink-necked Green-pigeon
Treron vernans
Pink-spotted Fruit-dove
22-25 cm
Pink-spotted Fruit-dove
Ptilinopus perlatus
Pinon's Imperial-pigeon
43-50 cm
Pinon's Imperial-pigeon
Ducula pinon
Plain Pigeon
33-40 cm
Plain Pigeon
Patagioenas inornata
15-18 cm
Plain-breasted Ground Dove
Columbina minuta
30-36 cm
Plumbeous Pigeon
Patagioenas plumbea
Pohnpei Fruit-dove
18-20 cm
Pohnpei Fruit-dove
Ptilinopus ponapensis
Polynesian Ground Dove
20-24 cm
Polynesian Ground Dove
Pampusana erythroptera
Polynesian Imperial-pigeon
38-42 cm
Polynesian Imperial-pigeon
Ducula aurorae
24-28 cm
Purple Quail-Dove
Geotrygon purpurata
Purple-tailed Imperial-pigeon
38-42 cm
Purple-tailed Imperial-pigeon
Ducula rufigaster
Purple-winged Ground Dove
16-18 cm
Purple-winged Ground Dove
Paraclaravis geoffroyi
25-28 cm
Purplish-backed Quail-Dove
Zentrygon lawrencii
Raiatea Fruit-dove
20-22 cm
Raiatea Fruit-dove
Ptilinopus chrysogaster
Rapa Fruit-dove
22-25 cm
Rapa Fruit-dove
Ptilinopus huttoni
Rarotonga Fruit-dove
20-22 cm
Rarotonga Fruit-dove
Ptilinopus rarotongensis
23-23 cm
red collared dove
Streptopelia tranquebarica
Red-bellied Fruit-dove
20-23 cm
Red-bellied Fruit-dove
Ptilinopus greyi
33-38 cm
Red-billed Pigeon
Patagioenas flavirostris
Red-eared Fruit-dove
20-23 cm
Red-eared Fruit-dove
Ramphiculus fischeri
29-34 cm
Red-eyed Dove
Streptopelia semitorquata
Red-knobbed Imperial-pigeon
42-45 cm
Red-knobbed Imperial-pigeon
Ducula rubricera
Red-moustached Fruit-dove
22-25 cm
Red-moustached Fruit-dove
Ptilinopus mercierii
Red-naped Fruit-dove
20-23 cm
Red-naped Fruit-dove
Ptilinopus dohertyi
Reunion Pigeon
30-35 cm
Reunion Pigeon
Nesoenas duboisi
25-28 cm
Ring-necked Dove
Streptopelia capicola
Ring-tailed Pigeon
35-40 cm
Ring-tailed Pigeon
Patagioenas caribaea
29-37 cm
Rock Dove
Columba livia
Rodrigues Blue-pigeon
35-40 cm
Rodrigues Blue-pigeon
Alectroenas payandeei
Rodrigues Solitaire
65-90 cm
Rodrigues Solitaire
Pezophaps solitaria
Rodrigues Turtle-dove
25-30 cm
Rodrigues Turtle-dove
Nesoenas rodericanus
Rose-crowned Fruit-dove
20-23 cm
Rose-crowned Fruit-dove
Ptilinopus regina
Ruddy Cuckoo-Dove
35-40 cm
Ruddy Cuckoo-Dove
Macropygia emiliana
16-18 cm
Ruddy Ground Dove
Columbina talpacoti
25-30 cm
Ruddy Pigeon
Patagioenas subvinacea
20-25 cm
Ruddy Quail-Dove
Geotrygon montana
22-25 cm
Russet-crowned Quail-Dove
Zentrygon goldmani
Rusty Imperial-pigeon
38-42 cm
Rusty Imperial-pigeon
Ducula obiensis
Ryukyu Green-pigeon
30-33 cm
Ryukyu Green-pigeon
Treron permagnus
Ryukyu Woodpigeon
40-45 cm
Ryukyu Woodpigeon
Columba jouyi
Samoan Fruit-dove
22-25 cm
Samoan Fruit-dove
Ptilinopus fasciatus
Santa Cruz Ground Dove
25-27 cm
Santa Cruz Ground Dove
Pampusana sanctaecrucis
Sao Tome Bronze-naped Pigeon
30-33 cm
Sao Tome Bronze-naped Pigeon
Columba malherbii
Sao Tome Green-pigeon
28-30 cm
Sao Tome Green-pigeon
Treron sanctithomae
Sao Tome Olive-pigeon
38-42 cm
Sao Tome Olive-pigeon
Columba thomensis
22-25 cm
Sapphire Quail-Dove
Geotrygon saphirina
19-22 cm
Scaled Dove
Columbina squammata
30-34 cm
Scaled Pigeon
Patagioenas speciosa
35-40 cm
Scaly-naped Pigeon
Patagioenas squamosa
Scarlet-breasted Fruit-dove
19-21 cm
Scarlet-breasted Fruit-dove
Megaloprepia formosa
Scheepmaker's Crowned-pigeon
70-75 cm
Scheepmaker's Crowned-pigeon
Goura scheepmakeri
Sclater's Crowned-pigeon
70-75 cm
Sclater's Crowned-pigeon
Goura sclaterii
Seram Imperial-pigeon
40-45 cm
Seram Imperial-pigeon
Ducula neglecta
Seram Mountain-pigeon
36-40 cm
Seram Mountain-pigeon
Gymnophaps stalkeri
24-25 cm
Seychelles Blue-pigeon
Alectroenas pulcherrimus
Shining Imperial-pigeon
35-40 cm
Shining Imperial-pigeon
Ducula chalconota
Short-billed Brown-dove
22-26 cm
Short-billed Brown-dove
Phapitreron brevirostris
25-28 cm
Short-billed Pigeon
Patagioenas nigrirostris
Shy Ground Dove
23-27 cm
Shy Ground Dove
Pampusana stairi
Silver-capped Fruit-dove
22-25 cm
Silver-capped Fruit-dove
Ptilinopus richardsii
Silvery Pigeon
37-40 cm
Silvery Pigeon
Columba argentina
Slender-billed Cuckoo-Dove
38-42 cm
Slender-billed Cuckoo-Dove
Macropygia amboinensis
31-34 cm
Snow Pigeon
Columba leuconota
Socorro Dove
28-32 cm
Socorro Dove
Zenaida graysoni
28-30 cm
Somali Pigeon
Columba oliviae
Sombre Pigeon
36-38 cm
Sombre Pigeon
Cryptophaps poecilorrhoa
34-39 cm
Southern Band-tailed Pigeon
Patagioenas albilinea
30-35 cm
Speckled Pigeon
Columba guinea
38-40 cm
Speckled Woodpigeon
Columba hodgsonii
Spectacled Imperial-pigeon
40-45 cm
Spectacled Imperial-pigeon
Ducula perspicillata
Spice Imperial-pigeon
38-44 cm
Spice Imperial-pigeon
Ducula myristicivora
Spinifex Pigeon
20-22 cm
Spinifex Pigeon
Geophaps plumifera
Spot-breasted Cuckoo-Dove
38-40 cm
Spot-breasted Cuckoo-Dove
Macropygia mackinlayi
32-35 cm
Spot-winged Pigeon
Patagioenas maculosa
spotted dove
30-30 cm
spotted dove
Spilopelia chinensis
Spotted Imperial-pigeon
38-42 cm
Spotted Imperial-pigeon
Ducula carola
Squatter Pigeon
28-32 cm
Squatter Pigeon
Geophaps scripta
Sri Lanka Green-pigeon
28-30 cm
Sri Lanka Green-pigeon
Treron pompadora
Sri Lanka Woodpigeon
36-38 cm
Sri Lanka Woodpigeon
Columba torringtoniae
Stephan's Dove
23-25 cm
Stephan's Dove
Chalcophaps stephani
32-34 cm
Stock Dove
Columba oenas
Sula Cuckoo-Dove
38-41 cm
Sula Cuckoo-Dove
Turacoena sulaensis
Sula Fruit-dove
19-22 cm
Sula Fruit-dove
Ramphiculus mangoliensis
Sulawesi Ground Dove
25-30 cm
Sulawesi Ground Dove
Gallicolumba tristigmata
Sulu Bleeding-heart
25-28 cm
Sulu Bleeding-heart
Gallicolumba menagei
Sumatran Green-pigeon
28-30 cm
Sumatran Green-pigeon
Treron oxyurus
Sumba Green-pigeon
28-30 cm
Sumba Green-pigeon
Treron teysmannii
Sunda Collared-dove
28-30 cm
Sunda Collared-dove
Streptopelia bitorquata
32-35 cm
Taiwan Green-pigeon
Treron formosae
22-23 cm
Tambourine Dove
Turtur tympanistria
Tanimbar Cuckoo-Dove
38-40 cm
Tanimbar Cuckoo-Dove
Macropygia timorlaoensis
Tanna Fruit-dove
19-20 cm
Tanna Fruit-dove
Ptilinopus tannensis
Tanna Ground Dove
22-26 cm
Tanna Ground Dove
Pampusana ferruginea
Tawitawi Brown-dove
25-27 cm
Tawitawi Brown-dove
Phapitreron cinereiceps
22-31 cm
Thick-billed Green-pigeon
Treron curvirostra
Thick-billed Ground Dove
25-30 cm
Thick-billed Ground Dove
Pampusana salamonis
Thick-billed Ground-pigeon
30-33 cm
Thick-billed Ground-pigeon
Trugon terrestris
Timor Cuckoo-Dove
35-40 cm
Timor Cuckoo-Dove
Macropygia magna
Timor Green-pigeon
27-30 cm
Timor Green-pigeon
Treron psittaceus
Timor Imperial-pigeon
38-43 cm
Timor Imperial-pigeon
Ducula cineracea
25-28 cm
Tolima Dove
Leptotila conoveri
Tongan Fruit-dove
22-24 cm
Tongan Fruit-dove
Ptilinopus porphyraceus
Tooth-billed Pigeon
31-32 cm
Tooth-billed Pigeon
Didunculus strigirostris
Topknot Pigeon
40-46 cm
Topknot Pigeon
Lopholaimus antarcticus
Torresian Imperial-pigeon
38-44 cm
Torresian Imperial-pigeon
Ducula spilorrhoa
26-30 cm
Tuxtla Quail-Dove
Zentrygon carrikeri
Vanuatu Imperial-pigeon
38-42 cm
Vanuatu Imperial-pigeon
Ducula bakeri
Victoria Crowned-pigeon
73-75 cm
Victoria Crowned-pigeon
Goura victoria
25-27 cm
Vinaceous Dove
Streptopelia vinacea
24-28 cm
Violaceous Quail-Dove
Geotrygon violacea
Wallace's Fruit-dove
24-26 cm
Wallace's Fruit-dove
Ptilinopus wallacii
30-35 cm
Wedge-tailed Green-pigeon
Treron sphenurus
26-29 cm
West Peruvian Dove
Zenaida meloda
Western Bronze Ground Dove
23-28 cm
Western Bronze Ground Dove
Pampusana beccarii
Western Bronze-naped Pigeon
25-28 cm
Western Bronze-naped Pigeon
Columba iriditorques
Western Crowned-pigeon
66-75 cm
Western Crowned-pigeon
Goura cristata
Western Ornate Fruit-dove
19-21 cm
Western Ornate Fruit-dove
Ptilinopus ornatus
28-32 cm
Western Spotted Dove
Spilopelia suratensis
Western Superb Fruit-dove
20-23 cm
Western Superb Fruit-dove
Ptilinopus temminckii
Wetar Ground Dove
26-28 cm
Wetar Ground Dove
Pampusana hoedtii
Whistling Dove
20-22 cm
Whistling Dove
Chrysoena viridis
White Imperial-pigeon
35-40 cm
White Imperial-pigeon
Ducula luctuosa
28-30 cm
White-bellied Green-pigeon
Treron sieboldii
White-bellied Imperial-pigeon
40-45 cm
White-bellied Imperial-pigeon
Ducula forsteni
White-bibbed Fruit-dove
18-21 cm
White-bibbed Fruit-dove
Ptilinopus rivoli
White-breasted Ground Dove
25-27 cm
White-breasted Ground Dove
Pampusana jobiensis
White-capped Fruit-dove
21-24 cm
White-capped Fruit-dove
Ptilinopus dupetithouarsii
36-38 cm
White-collared Pigeon
Columba albitorques
29-35 cm
White-crowned Pigeon
Patagioenas leucocephala
White-eared Brown-dove
25-28 cm
White-eared Brown-dove
Phapitreron leucotis
White-faced Cuckoo-Dove
35-40 cm
White-faced Cuckoo-Dove
Turacoena manadensis
25-28 cm
White-faced Quail-Dove
Zentrygon albifacies
White-fronted Quail-Dove
25-30 cm
White-fronted Quail-Dove
Geotrygon leucometopia
White-headed Fruit-dove
20-23 cm
White-headed Fruit-dove
Ptilinopus eugeniae
White-headed Pigeon
38-43 cm
White-headed Pigeon
Columba leucomela
White-naped Pheasant-pigeon
45-50 cm
White-naped Pheasant-pigeon
Otidiphaps aruensis
White-naped Pigeon
38-41 cm
White-naped Pigeon
Columba albinucha
White-quilled Rock-pigeon
30-33 cm
White-quilled Rock-pigeon
Petrophassa albipennis
37-40 cm
White-tailed Laurel-pigeon
Columba junoniae
White-throated Ground Dove
30-35 cm
White-throated Ground Dove
Pampusana xanthonura
28-32 cm
White-throated Quail-Dove
Zentrygon frenata
25-28 cm
White-tipped Dove
Leptotila verreauxi
28-30 cm
White-winged Collared-dove
Streptopelia reichenowi
27-30 cm
White-winged Dove
Zenaida asiatica
27-31 cm
White-winged Pigeon
Patagioenas albipennis
Wompoo Fruit-dove
35-45 cm
Wompoo Fruit-dove
Megaloprepia magnifica
Wonga Pigeon
38-40 cm
Wonga Pigeon
Leucosarcia melanoleuca
yellow footed green pigeon
33-33 cm
yellow footed green pigeon
Treron phoenicopterus
Yellow-banded Fruit-dove
20-23 cm
Yellow-banded Fruit-dove
Ptilinopus solomonensis
Yellow-breasted Fruit-dove
20-23 cm
Yellow-breasted Fruit-dove
Ramphiculus occipitalis
28-30 cm
Yellow-eyed Pigeon
Columba eversmanni
Yellow-legged Pigeon
36-38 cm
Yellow-legged Pigeon
Columba pallidiceps
Yellow-vented Green-pigeon
28-30 cm
Yellow-vented Green-pigeon
Treron seimundi
Yellowish Imperial-pigeon
36-40 cm
Yellowish Imperial-pigeon
Ducula subflavescens
25-28 cm
Yungas Dove
Leptotila megalura
20-23 cm
Zebra Dove
Geopelia striata
28-30 cm
Zenaida Dove
Zenaida aurita
Zoe's Imperial-pigeon
38-43 cm
Zoe's Imperial-pigeon
Ducula zoeae