HAWKS

Bald Eagle 

This is Canada’s largest raptor. Adults have a brown body, distinctive white head and tail feathers, as well as yellow eyes, beak and legs. It takes 5 years before they look like adults, so juveniles may be confused with golden eagles. They usually live near the coast or lakeshore because they eat fish, aquatic birds and mammals. They steal from other birds and scavenge carrion if necessary. Many congregate at coastal salmon runs for the winter. Nests are up to 2m across and 1m high, built in the tallest of trees.

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Cornell Lab:Bald Eagle

Golden Eagle

Only slightly smaller than the bald eagle, adults are dark brown with golden feathers on the head and neck. Unlike most raptors, their legs are feathered all the way to the toes. Juveniles have white patches on the tail and wings. They live in mountainous regions and open grasslands where they search for small to medium-sized mammals. Several large stick nests are built on cliff edges and sometimes in trees. Pairs mate for life and alternate nests each year.

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Cornell Lab: Golden Eagle

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Northern Harrier

Males are white below with a light gray back, and the female is mottled in browns. Sometimes called a “marsh hawk,” it is found in open grasslands and wetland areas. It eats small mammals, birds, reptiles and frogs. Unlike other hawks, it relies on its hearing as well as its vision to capture prey. Feathers on its face form a facial disk, much like that of an owl, to transmit sound. Some males pair with up to five females in a season. The nest is a platform of vegetation on the ground. They migrate south in the winter.

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Cornell Lab: Golden Eagle

American Kestrel

This small but colourful raptor has a bluish-grey crown, reddish back and tail and two dark lines on its face. They live in open regions where there is an abundance of insects, mice, voles, snakes and small birds to eat. Females migrate south before males and claim the best territory. Males return to breeding grounds first. They prefer to nest in natural cavities like woodpecker holes. Nestlings squirt their faeces on the nest walls where it dries. This keeps the nestlings clean, but doesn’t do much for the smell!

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Cornell Lab: American Kestrel

Peregrine Falcon

Females and males look alike with a blue-grey back and black head and moustache. Peregrine means “wanderer”, a name they earned for long migrations. They are the fastest of all animals, reaching speeds of up to 320km/hr. Because the air pressure of such speeds could damage their lungs, small bones on their nostrils guide the airflow away from the nostrils, allowing the bird to breathe more easily. They eat mostly medium-sized birds, which they strike from the air with their feet. Peregrines nest on cliff edges and sometimes on buildings.

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Cornell Lab: Peregrine Falcon

Merlin

Merlins were previously known as “pigeon hawks” because they fly like a pigeon. They are the least well marked of all falcons. They do not dive, but fly fast and low, using trees to take prey by surprise. Merlins mostly eat small birds, though insects, voles and reptiles complement the diet. Breeding pairs hunt cooperatively, with one bird flushing the prey towards the other. Pairs remain monogamous for at least one breeding season. Merlins do not build their own nests, but take over old ones from other raptors.

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Cornell Lab: Merlin

Prairie Falcon

This crow-sized falcon is easily recognized in flight by dark wing-pits. They live in dry, open country and eat medium-sized mammals and birds caught in flight. Pairs make nests on cliff ledges with overhangs for shade and water nearby. As is typical with falcons, females do most of the incubating and males bring most of the food. Migration begins in late August and spring migrants start arriving in late March.

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Cornell Lab: Prairie Falcon

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Sharp-shinned Hawk 

This small bird is named for its pencil-thin legs. It has a blue-grey back and wings and reddish barring on underparts. The tail is long, barred and has a square tip. Young accipiters look completely different than adults with brown above and heavy brown streaks below. Living in coniferous forests, it nests in mature trees against the trunk where it is shaded from above. Large numbers can be seen migrating south in the fall. They prey primarily on small birds, occasionally on large insects and small mammals. Watch for them at bird feeders, eating birds, not seeds.

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Cornell Lab: Sharp-shinned Hawk

Cooper’s Hawk

Similar to a crow in size, they look like a larger version of a sharp-shinned hawk but with a larger head, thicker legs and rounded tip of the tail. Males build a cup-shaped nest next to the trunk of a large tree. They are territorial and are aggressive towards other raptors. Their main prey is medium-sized birds, and occasional small mammals. Living in forested areas and darting after prey can be dangerous – many have been found with fractured bones.

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Cornell Lab: Cooper’s Hawk

Northern Goshawk

This is BC’s largest accipiter. Its name comes from the old English words for “goose hawk” because it will attack large birds. They have a distinctive white eyebrow stripe. These secretive birds live in mature forests. The young birds migrate but older birds remain unless prey is scarce. They are known to be persistent while hunting birds, squirrels and hares. Goshawks build a nest that looks like a bowl of thin sticks in a mature tree and they defend it fiercely.

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Cornell Lab: Northern Goshawk

Rough-legged Hawk 

These hawks can have a dark and light form, but both have a dark band on the tip of a white tail, black marks at the wrists and a dark wing edge. They spend summers in northern Canada and migrate to southern BC and the USA in winter. As an adaptation to its cold home range, its legs are feathered to its toes. Bulky stick nests are built on cliffs. The number of eggs laid depends on the availability of prey – mainly small rodents. They hover on wind currents in open areas searching for food.

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Cornell Lab: Rough-legged Hawk 

Ferruginous Hawk 

This bird is rare in B.C. and is so large it is often confused with an eagle. They have a white breast and body. Ferruginous means “rusty colour” and refers to the bird’s back and legs. It is one of the few birds to have legs feathered down to the toes. They live in open areas and hunt primarily for ground squirrels. These hawks are unusual nesters – they can be found in trees, on cliffs or on the ground.

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Cornell Lab: Ferruginous Hawk

Swainson’s Hawk

This medium-sized hawk has a light chest with a dark bib and white throat. Its tail has several narrow bands and one wider band near the tip. Nests are low in a tree or bush. Known as the “grasshopper hawk”, they eat small mammals in summer and hop along the ground in search of insects during migration and winter. Large flocks migrate an astonishing 10,000km to South America and make the trip in less than two months (200km per day).

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Cornell Lab: Swainson’s Hawk

Red-tailed Hawk

This is the most common hawk in North America and is easily identified by its brick-red tail. They can be found in almost any open area where they eat small mammals, birds and reptiles. They attack in a slow, controlled dive with legs outstretched – very different than a falcon’s method. Nests are built in tall trees or on cliff ledges. Mated pairs usually stay together until one of them dies. The call is a raspy scream that sounds like a steam kettle – it is often used in movie soundtracks, even for other species.

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Cornell Lab: Red-tailed Hawk