Mute Swan vs Red-tailed Hawk
Cygnus olor เปรียบเทียบกับ Buteo jamaicensis
Side-by-Side Comparison
| คุณสมบัติ | Mute Swan | Red-tailed Hawk |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Cygnus olor | Buteo jamaicensis |
| อันดับ | Anseriformes | Accipitriformes |
| วงศ์ตระกูล | Anatidae | Accipitridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | 152.0 cm (59.8 in) | 53.0 cm (20.9 in) |
| กว้างปีก | 235.0 cm (92.5 in) | 124.0 cm (48.8 in) |
| น้ำหนัก | 11000.0 g (388.01 oz) | 1080.0 g (38.10 oz) |
| อาหาร | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| จำนวนไข่ | 5-7 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Mute Swan only
ไม่มี
Red-tailed Hawk only
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Red-tailed Hawk
Open country with scattered elevated perches such as trees, poles, and cliffs. Adaptable to farmland, grasslands, roadsides, and suburban areas.
Song & Call Comparison
Mute Swan
Despite its name, not truly mute: gives hissing snorts and low grunting when threatened. Wings produce a loud rhythmic whistling throbbing sound in flight.
Red-tailed Hawk
Iconic, raspy descending scream: 'kreeeeee-ar', often used in films for all raptors. Gives short barking 'kak' notes near nest. Juveniles beg with persistent squealing whistles.
Geographic Range & Migration
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
Red-tailed Hawk
North America from Alaska to Panama, including the Caribbean. One of the most common raptors in North America.
สถานะการอนุรักษ์
Mute Swan
Red-tailed Hawk
How to Tell Them Apart
Mute Swan
All-white plumage in adults. Cygnets are grey-brown, gradually whitening over the first year. Graceful S-curved neck posture is distinctive.
Orange bill with a prominent black knob at the base, larger in males
Red-tailed Hawk
Variable plumage from pale to dark morphs. Most adults have rich brown upperparts, a pale breast with a dark belly band, and the characteristic rufous-red tail.
Dark hooked bill with a yellow cere
About These Birds
Mute Swan
The mute swan is one of the heaviest flying birds, with males weighing up to 14 kg. Despite its name, it is not truly mute, producing hissing, grunting, and snorting sounds. Mute swans form lifelong pair bonds and their aggressive defense of nesting territory is well known.
Red-tailed Hawk
The red-tailed hawk is the most widespread and common hawk in North America. Its screaming cry is so iconic that it is often dubbed over bald eagle footage in films and television. These adaptable raptors thrive in human-altered landscapes and are a familiar sight perched along highways.