Statements (102)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:family
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Parahesperornis
|
| gptkbp:adaptation |
flipper-like limbs
|
| gptkbp:aircraft_operated |
reduced wings
|
| gptkbp:behavior |
gptkb:Basketball_Player
likely social nesting on land diving for prey |
| gptkbp:body_style |
long neck
webbed feet streamlined body strong legs large beak reduced wings adapted for underwater locomotion |
| gptkbp:caused_by |
gptkb:Cretaceous-Paleogene_extinction_event
|
| gptkbp:characteristics |
diving ability
|
| gptkbp:climate |
warm climate
|
| gptkbp:color |
conical beak
|
| gptkbp:conservation_status |
extinct
|
| gptkbp:cultural_significance |
early example of flightless birds
transition from land to water |
| gptkbp:diet |
gptkb:fish
fish and aquatic organisms |
| gptkbp:discovered_by |
gptkb:Othniel_Charles_Marsh
|
| gptkbp:first_appearance |
about 70 million years ago
|
| gptkbp:fledging_period |
around 66 million years ago
|
| gptkbp:foot |
heavy bones
|
| gptkbp:fossil_record |
gptkb:Othniel_Charles_Marsh
gptkb:Europe gptkb:North_America gptkb:South_Dakota gptkb:Wyoming gptkb:Alberta gptkb:Kansas gptkb:Montana gptkb:sneaker marine fossils well-documented studied for ecological roles adapted to aquatic life skeletal remains first described in 1872 exhibited sexual dimorphism likely social animals possibly migratory likely had feathers Late Cretaceous fossils evolved from theropod dinosaurs existed alongside dinosaurs fossils found in marine sedimentary rocks fossils indicate community structure fossils indicate ecological dynamics fossils indicate ecological niche fossils indicate environmental interactions fossils indicate evolutionary adaptations fossils indicate evolutionary pressures fossils indicate extinction events fossils indicate feeding habits fossils indicate geographical distribution fossils indicate growth patterns fossils indicate habitat preferences fossils indicate life history traits fossils indicate predator-prey relationships fossils indicate predatory behavior fossils indicate reproductive biology fossils indicate reproductive strategies fossils indicate social behavior fossils indicate swimming capabilities part of the evolutionary lineage of birds provides insight into bird evolution related to other prehistoric birds |
| gptkbp:genus |
gptkb:Hesperornis
gptkb:Parahesperornis |
| gptkbp:geographical_feature |
Cretaceous period
|
| gptkbp:habitat |
coastal regions
marine environments |
| https://www.w3.org/2000/01/rdf-schema#label |
Hesperornithidae
|
| gptkbp:is_a |
gptkb:bird
|
| gptkbp:is_characterized_by |
diving adaptations
|
| gptkbp:is_similar_to |
modern diving birds
|
| gptkbp:last_appearance |
about 65 million years ago
|
| gptkbp:length |
up to 1.5 meters
|
| gptkbp:notable_species |
gptkb:Hesperornis
gptkb:Parahesperornis Hesperornithoides |
| gptkbp:origin |
sister group to modern birds
|
| gptkbp:predators |
large marine reptiles
|
| gptkbp:related_to |
modern birds
|
| gptkbp:reproduction |
lay eggs
|
| gptkbp:research_focus |
important for understanding avian evolution
|
| gptkbp:resides_in |
Late Cretaceous
|
| gptkbp:scientific_classification |
gptkb:Zord
|
| gptkbp:significance |
early evidence of flightless aquatic birds
|
| gptkbp:speed |
excellent swimmers
|
| gptkbp:subspecies |
Hesperornithinae
Parahesperornithinae |
| gptkbp:tail_type |
short tail
|
| gptkbp:type |
extinct birds
|
| gptkbp:weight |
up to 10 kg
|
| gptkbp:year_created |
1872
|