Statements (65)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:bird
|
gptkbp:adaptation |
uses human-provided nesting sites
|
gptkbp:aircraft_operated |
long and pointed
|
gptkbp:behavior |
colonial
aggressive towards other birds |
gptkbp:breeding_season |
spring to summer
monogamous during breeding season gourd or birdhouse |
gptkbp:calls_for |
chirps and whistles
|
gptkbp:clutch_size |
4-6 eggs
|
gptkbp:color |
iridescent blue-black
dark blue above, white below |
gptkbp:conservation_efforts |
nest box programs
|
gptkbp:conservation_status |
least concern
|
gptkbp:cultural_significance |
symbol of summer
|
gptkbp:diet |
insects
|
gptkbp:egg_color |
gptkb:white
|
gptkbp:family |
gptkb:Hirundinidae
|
gptkbp:first_flight |
fast and agile
|
gptkbp:fledging_period |
28-32 days
|
gptkbp:foraging_behavior |
aerial
high in the air |
gptkbp:genus |
Progne
|
gptkbp:habitat |
man-made structures
open areas near water up to several hundred pairs eastern and western North America |
https://www.w3.org/2000/01/rdf-schema#label |
Purple Martin
|
gptkbp:impact |
benefits from human structures
|
gptkbp:incubation_period |
15-16 days
|
gptkbp:interacts_with |
engages in cooperative behaviors
|
gptkbp:length |
19-22 cm
|
gptkbp:mating_system |
aerial displays
|
gptkbp:migration |
migratory
leaves North America in late summer |
gptkbp:native_to |
gptkb:North_America
|
gptkbp:nesting |
April to August
4 months high in suitable habitats mud and grass with other swallows 3-7 eggs availability of nesting sites returns to the same site each year open and sunny locations selects sites near water |
gptkbp:population |
varies by region
|
gptkbp:population_trend |
gptkb:Professional_Wrestler
|
gptkbp:predators |
hawks
|
gptkbp:size |
50-70 g
|
gptkbp:social_structure |
flocks
|
gptkbp:soundtrack |
melodic and varied
|
gptkbp:species |
gptkb:technology
|
gptkbp:status |
studied for migration patterns
|
gptkbp:subspecies |
gptkb:Progne_subis_arboricollis
gptkb:Progne_subis_hesperia gptkb:Progne_subis_subis |
gptkbp:succeeded_by |
high in urban areas
|
gptkbp:tail_type |
forked tail
|
gptkbp:vocalization |
used for communication
|
gptkbp:wildlife |
affects population in some areas
|
gptkbp:wingspan |
30-38 cm
|
gptkbp:wintering_range |
gptkb:South_America
|
gptkbp:bfsParent |
gptkb:technology
|
gptkbp:bfsLayer |
3
|