Peregrine Falcon (Falco peregrinus)

The Peregrine Falcon (Falco peregrinus) is a moderately-sized member of the Falconidae family, known for its fastest animal on Earth at 240 mph. Along Oklahoma's Central Flyway, this species is a fall, winter, spring visitor, frequenting the cliffs, cities, and open areas that characterize much of northwestern Oklahoma's diverse landscape. The Salt Plains National Wildlife Refuge near Jet, Oklahoma, serves as one of the premier locations for observing this species in the Central Flyway corridor.

Quick Facts

Feature	Details
Scientific Name	Falco peregrinus
Family	Falconidae (Raptors)
Size	9-14 inches (23-36 cm) in length, weighing approximately 3-10 ounces (85-280 grams)
Habitat	Cliffs, cities, and open areas
Diet	Birds caught in high-speed stoops
Seasons in Oklahoma	Fall, Winter, Spring
Conservation Status	Least Concern

Identification Guide

When identifying the Peregrine Falcon in the field, look for the fastest animal on Earth at 240 mph. This species measures approximately 9-14 inches (23-36 cm) in length, weighing approximately 3-10 ounces (85-280 grams). In the cliffs, cities, and open areas habitats typical of northwestern Oklahoma, careful observation will reveal the distinctive features that separate this species from similar birds in the area.

Physical Description

The Peregrine Falcon presents fastest animal on Earth at 240 mph, making it a commanding presence in Oklahoma skies. This species belongs to the raptors group and shares the cliffs, cities, and open areas with several related species, though careful observation reveals the unique characteristics that make the Peregrine Falcon unmistakable.

The Peregrine Falcon feeds primarily on birds caught in high-speed stoops, and observing feeding behavior can be an excellent identification tool. Watch for this species foraging in cliffs, cities, and open areas throughout the Salt Plains region and surrounding areas of the Central Flyway.

Tips for Field Identification

Males and females may differ in appearance, so familiarizing yourself with both plumages will improve your identification success rate during visits to the Central Flyway.

Key field marks to look for include:

Size and shape: 9-14 inches (23-36 cm) in length, weighing approximately 3-10 ounces (85-280 grams), with a build typical of raptors
Distinctive features: Fastest animal on Earth at 240 mph
Behavior: Watch for feeding activity in cliffs, cities, and open areas
Voice: Listen for this species' characteristic calls, which are often the first indication of its presence in dense habitat

Habitat and Range Along the Central Flyway

The Central Flyway stretches from the Arctic tundra of Canada through the Great Plains of the United States to the Gulf of Mexico and beyond into Central and South America. Oklahoma sits at a critical juncture in this migratory corridor, and the Peregrine Falcon takes full advantage of the state's cliffs, cities, and open areas during its seasonal visits.

In northwestern Oklahoma, the Peregrine Falcon primarily inhabits cliffs, cities, and open areas. The unique geography of the Salt Plains region, where the Great Salt Plains create a mosaic of salt flats, shallow wetlands, grasslands, and wooded riparian corridors, provides exceptional habitat diversity that supports the Peregrine Falcon alongside hundreds of other bird species.

The Peregrine Falcon's range along the Central Flyway extends through the heart of the Great Plains, with Oklahoma representing vital wintering grounds.

Seasonal Presence in Oklahoma

Spring is an excellent time to observe Peregrine Falcons in the Central Flyway as they move northward through Oklahoma. The Salt Plains area becomes particularly active from mid-March through May, with Peregrine Falcons frequenting cliffs, cities, and open areas throughout the region. Early morning hours along the shores of Salt Plains Lake and the surrounding refuge lands offer prime viewing opportunities during this season.

Fall migration brings Peregrine Falcons through the Central Flyway in significant numbers from September through November. The Salt Plains National Wildlife Refuge becomes a critical stopover point as these birds refuel for their continued journey. Birders stationed along SH 64 between Cherokee and Jet often report sightings during this peak migration period.

Winter transforms the Oklahoma landscape, and Peregrine Falcons arrive from their northern breeding grounds to spend the winter in the Central Flyway region. The relatively mild winters of northwestern Oklahoma provide crucial habitat, particularly around the Salt Plains area where cliffs, cities, and open areas remain accessible even during cold snaps.

Migration Patterns

The Peregrine Falcon's migration through the Central Flyway follows patterns that have been refined over thousands of generations. In Oklahoma, the timing of arrivals and departures varies somewhat from year to year depending on weather patterns, but generally follows predictable seasonal rhythms. The Salt Plains National Wildlife Refuge, established in 1930, has provided a consistent and protected stopover point for migrating Peregrine Falcons throughout its history.

Diet and Feeding Behavior

The Peregrine Falcon sustains itself on birds caught in high-speed stoops, a diet well-suited to the resources available in cliffs, cities, and open areas throughout the Central Flyway. In the Salt Plains region of northwestern Oklahoma, this species has adapted its foraging strategies to take advantage of the unique combination of habitats available.

As a raptor, the Peregrine Falcon occupies an important position in the food chain of the Central Flyway ecosystem. Its hunting strategies have evolved to be highly efficient in the open landscapes of northwestern Oklahoma, where visibility and space allow for effective pursuit of prey.

Seasonal changes in food availability influence the Peregrine Falcon's diet throughout the year. During spring and summer, increased insect populations often supplement the diet, while fall and winter may see a greater reliance on seeds, berries, or other seasonal food sources available in the region.

Conservation Status

The Peregrine Falcon is currently classified as Least Concern by the International Union for Conservation of Nature (IUCN), indicating a stable and healthy population across its range. In the Central Flyway, this species benefits from the protected habitats at Salt Plains National Wildlife Refuge and other conservation lands throughout northwestern Oklahoma. However, ongoing habitat management and monitoring remain important to ensure this species continues to thrive in the region.

Threats and Challenges

The primary threats facing the Peregrine Falcon in the Central Flyway include:

Habitat loss and fragmentation: Conversion of cliffs, cities, and open areas to agricultural or developed land reduces available habitat
Climate change: Shifting weather patterns may alter the timing of migration and availability of food resources
Human disturbance: Recreational activities near sensitive habitats can disrupt feeding and nesting behaviors
Pesticide exposure: Agricultural chemicals can reduce insect prey populations and cause direct toxicity

Conservation Efforts in Oklahoma

Oklahoma's network of wildlife refuges, state parks, and conservation areas provides essential protected habitat for the Peregrine Falcon and many other Central Flyway species. Key conservation initiatives include:

Ongoing habitat management at Salt Plains National Wildlife Refuge (580-626-4794)
Water level management to maintain optimal wetland conditions
Grassland restoration programs throughout northwestern Oklahoma
Citizen science programs including Christmas Bird Counts and breeding bird surveys
Educational programs at Great Salt Plains State Park (580-626-4731)

Best Viewing Locations

For birders hoping to observe the Peregrine Falcon along Oklahoma's Central Flyway, these locations offer the best opportunities:

1. Washita National Wildlife Refuge

This area provides suitable cliffs, cities, and open areas habitat for the Peregrine Falcon and is worth exploring during fall, winter, spring when this species is present in the Central Flyway region. Check local conditions before visiting and respect all posted regulations to help protect wildlife habitat.

2. Boiling Springs State Park

3. Optima National Wildlife Refuge

4. Glass Mountains

Birding Tips for Observing the Peregrine Falcon

Best time of day: Early morning hours typically offer the most active viewing, especially during spring migration
Equipment: A quality pair of binoculars (8x42 or 10x42) is essential, and a spotting scope can be helpful for detailed observation
Patience: Allow time for the bird to exhibit natural behaviors
Respect wildlife: Maintain appropriate distances and avoid disturbing nesting or roosting birds
Record your sightings: Report observations to eBird to contribute to scientific knowledge of the Peregrine Falcon in the Central Flyway

Related Species

Other raptors you may encounter while birding in the Central Flyway:

This guide is part of the CherPub Central Flyway Bird Guide series, covering all 312+ bird species documented at Salt Plains National Wildlife Refuge and throughout Oklahoma's Central Flyway corridor. For more information about birding in northwestern Oklahoma, visit Salt Plains NWR or contact the refuge at 580-626-4794.