Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

List of extinct bird species since 1500

About 216 species of birds have become extinct since 1500, with increasing extinction rates due to human-caused influences such as habitat loss, the introduction of invasive species, and climate change. Currently there are approximately 10,000 living species of birds, with over 1,480 at risk of extinction and 223 critically endangered.

Anseriformes, Columbiformes & Gruiformes

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around List of extinct bird species since 1500. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Anseriformes

51 related topics

Columbiformes

70 related topics

Gruiformes

79 related topics

Charadriiformes

34 related topics

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Casuariidae

Apterygiformes

Anseriformes

Galliformes

Caprimulgiformes

Aegotheliformes

Apodiformes

Cuculiformes

Columbiformes

Gruiformes

Podicipediformes

Charadriiformes

Sphenisciformes

Procellariiformes

Suliformes

Pelecaniformes

Accipitriformes

Strigiformes

Bucerotiformes

Coraciiformes

Piciformes

Falconiformes

Psittaciformes

Passeriformes

Possibly extinct bird subspecies or status unknown

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

List of extinct bird species since 1500

Nodes856
Edges855
Triples7
Avg. degree2
Density0.002336
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

subspecies century island islands extinct late pacific 20th known species last mascarenes may recorded new réunion since possibly west 19th

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
habitat lossinstance ofwith increasing extinction rates due to human-caused influences0.80text
the introduction of invasive speciesinstance ofwith increasing extinction rates due to human-caused influences0.80text
and climate changeinstance ofwith increasing extinction rates due to human-caused influences0.80text
red lists usually focus on species as a wholeinstance ofNational and international conservation projects and research publications0.80text
habitat destructioninstance ofa known threat0.80text
or an observed decline.StruthioniformesRatitesinstance ofa known threat0.80text
related birdsStruthioinstance ofa known threat0.80text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.