Differences between Grackle and Seagull

Grackle and Seagull are two classes of birds that belong to the Icteridae and Laridae families respectively.

Grackles are large Blackbirds. They have purple heads with bronzy brown plumage. Their tails and legs are black and long. The eyes are a bright golden, while the bills are black, long, and slightly curved. The males appear glossier than the females. The birds can make various squeaky and whistling sounds. They are known for their courage. The family of Grackles includes 11 species, of which one is extinct.

Seagull is the vernacular form for the bird Gull. Known to be clever, these birds are mostly large in size with grey or white plumage. They have big black marks on their head and wings. Their beaks are usually yellow in color with a red spot and a hook at the tip. Bigger Seagulls have pink legs, while the smaller ones have red or black legs. The birds have webbed feet. There are over 40 species of Gulls across the world.

Where are Grackle and Seagull found?

Grackles are commonly found in meadows, woodlands, agricultural fields, and fringes of forests. They also live in parks, gardens, and lawn areas in cities. Grackles are distributed in parts of North America, northern USA, and Canada. Mexico is home to six species of the bird.

Gulls are water birds. They are typically found near coasts, especially during summers. However, they have become common even at inland waterways like rivers, reservoirs, and lakes. They can adapt to any region as long as there are food sources there. Consequently, Gulls are visible even inside cities and towns. Gulls exist everywhere in the world. They have been found even near Antarctica and the Arctic.

What do Grackle and Seagull eat?

Grackles are omnivorous. Their diet chiefly comprises of insects, worms, small fish and reptiles, rodents, frogs, small birds, and eggs. They also eat seeds, berries, and fruits.

The natural diet of Gulls includes fish and other aquatic animals. Besides, it includes land animals like insects, worms, mice, and reptiles. However, Gulls are scavenging birds and can eat just about anything. They have been observed eating fruits, vegetables, and even chips, bread, and spaghetti. Gulls are one of the very few birds that can drink both salt and fresh water. The salt ducts and glands in their beaks act as desalination filters and help the birds to pass up excess salt.

Here are a few pointers about the eating patterns between Grackle and Seagull

• Both Grackle and Seagull eat Fish.
• Both Grackle and Seagull eat Frogs.
• Both Grackle and Seagull eat Lizards.
• Both Grackle and Seagull eat Snakes.
• Grackle do not eat Turtles while Seagull eat Turtles.
• Grackle do not eat Squirrels while Seagull eat Squirrels.
• Grackle do not eat Gophers while Seagull eat Gophers.
• Baby Ducks are consumed by both Grackleand Seagull.
• Mice are eaten by both Grackle and Seagull.

Size of Grackle and Seagull?

When it comes to size, Grackles are 0.99-1.11 feet long. Their wings span 1.18-1.5 feet. The Great-tailed Grackles are one of the largest among the species. They are 1.5 feet long with a wingspan of nearly 1.9 feet.. The size of Gulls depends on the species. The smaller ones are generally about one foot long, while the larger ones could measure about 1.5 feet. The average wingspan of the birds is 2.9-3.3 feet.

Grackles typically weigh between 2.6 and 5 ounces. The Great-tailed Grackles weigh about 9.3 ounces. while The weight of Gulls varies drastically for different species. The Little Gull weighs just about 4.2 ounces. On the other hand, the Great Black-beaked Gull weighs 3.8 pounds.

Where do Grackle and Seagull nest?

The female Grackle generally builds the nest with some assistance from the male. The nests are huge and usually placed on high coniferous trees. Appearing like large cups, they are made of straw, leaves, twigs, cloth, husk, paper, and similar material. It takes one to six weeks to construct the nests. The eggs are bluish green or grayish white in color with brown spots. The female incubates the eggs for 11-15 days. The young ones fledge 16-20 days after they hatch.

Gulls build their nests in their habitats. It could be at cliffs, coasts, islands, trees, and rooftops as long as they are safe, have food sources nearby, and inaccessible to predators. The nests are built using grass, twigs, and plant material. The eggs take about three weeks to hatch. The young ones are active and fledge when they are five to six weeks old.

How long do Grackle and Seagull live?

Grackles have an average lifespan of 17 years. However, they can live up to 20 years in the wild. Grackles face threat from predators, worm and parasitical infection besides poisoning by farmers.

Gulls have a short lifespan. They live for 8-20 years in the wild. The longest-lived Gull was from Denmark and lived for 33 years and eight months.

Are Grackle or Seagull migratory birds?

Grackles migrate from northern USA, Canada, and the Great Plains to spend winters in southern USA. They travel before October-November and head back north in February-March.

Gulls are generally migratory. They move from northern hemispheres during winter to regions where there are abundant food sources. The birds from Canada and North America move to the tip of South America or parts of USA where the temperature is not freezing. The Black-Headed Gull migrates from UK to southern Europe, the Middle East, and Africa. Similarly, Gulls migrate from China to Thailand, and from Russia and Siberia to the Indian subcontinent. Some Gulls living on French and Spanish coasts and other warmer regions do not migrate. Additionally, Gulls that have settled in cities where they get easy access to food from human refuse, safe nesting places in rooftops, and warmth from buildings may not migrate.

Do Grackle and Seagull fly in flocks?

A flock of Grackles is known as a plague. These birds are highly gregarious. They flock amongst their own and other species. They forage and roost in groups. They form larger groups to stay warm during winters, as well while travelling during migration.

A flock of Gulls is called a squabble, screech, scavenging, or colony. Gulls live in groups, consisting of a few birds or even up to a thousand. They unite to drive away predators. Besides, they adopt different body language and sounds to communicate with each other. Gulls stay with their flocks almost throughout the year.

Are Grackle or Seagull protected?

Grackles are protected under the Migratory Birds Treaty Act in the USA. They are however excluded from conservation laws in Canada.

Seagulls, their nests, and eggs are protected under various laws across the world. Harming these in any way is considered a punishable offence.

Are Grackle or Seagull endangered?

Grackles are not endangered birds. The Common Grackle species is listed by the International Union for Conservation of Nature as near threatened. The Slender-billed Grackle is a species that became extinct in the beginning of the 20th century.

Some species of Gulls are endangered. According to the International Union for Conservation of Nature, the Chinese Black-Headed Gull and Relict Gull are vulnerable to extinction, while Heermann’s Gull and White-Eyed Gull are threatened. The population of Glaucous-winged Gull has declined by 50 percent in Georgia Basin, while the numbers of Gulls in Canada and the UK are also falling drastically. This has been attributed to loss of habitat, pollutants, and poor food quality.

Can Grackle and Seagull fly?

Grackles can fly at speeds of 29-39 miles an hour. Their long tails trail behind or are folded in a V shape during flight. The distance they travel during winters is shorter as compared to other birds. It also depends on how far north they live.

Gulls are highly skilled in flying. They have expert control on wind and thermals, and can execute complex manoeuvres. They can fly at speeds of up to 28 miles per hour. The birds fly extremely long distances during migration. Gulls are capable of flying during the night as well. When there are changes in air pressure due to an oncoming storm or earthquake, Gulls gather in circles to regulate their focus and balance.

Can Grackle and Seagull swim?

Grackles do not have webbed feet but can swim short distances. The younger Grackles paddle well with their wings if they accidentally fall in water.

Gulls are also adept swimmers. They can live comfortably both on land and water. They have webbed feet and can swim well both in sea and fresh waters. However, they do not swim too far in the seas. They usually swim in search of food.

Mating patterns among Grackle and Seagull

Grackles start mating when they are one to two years old. Breeding happens annually, with the partners raising one to two broods each season. The male birds perform courtship flights, dances, singing, and puffing up of feathers to attract the female. They also engage in tail folding that indicate various signals. The female is followed by many male birds that seek her attention. The female lays one to seven eggs in a single breeding season. She incubates them for about 14 days. Once the eggs hatch, both male and female birds share the responsibility of feeding the young ones.

Gulls start mating when they are about four years old. The heads of the Gulls are in pure white, black, brown, or gray color in the breeding season. They are known to mate both inland and on coasts, however copulation occurs on land at breeding sites. The courtship involves complex dances, rituals, and articulations. The Gulls mate until the female can lay an egg. They build their nests in colonies. Both male and female partners incubate the eggs for about 30 days.

When is the mating season for Grackle and Seagull ?

The mating season for Grackles is from March-July every year. The birds start forming pairs when they return from migratory sites to their territories in the beginning of spring.

The breeding season for Gulls is usually March-July every year. The birds gather at breeding colonies few weeks before the onset of the season.

Do Grackle and Seagull mate for life?

Grackles are mostly monogamous. They mate for life and come back to the same nesting territory every year.

Gulls are monogamous and stay with the same partner throughout their lives. They even return to the same breeding site every time.

How do Grackle and Seagull sleep?

Grackles roost in groups, usually on large trees. During winters they gather in larger flocks at nights to maintain body temperature.

Gulls generally sleep during the night. However, they are scavengers and are known to be awake and flying even in the night. In natural habitats, they sleep on beaches, rivers, and lakes. The city-dwellers sleep in parks and rooftops. Gulls usually roost in groups to stay safe from predators.

Can Grackle and Seagull be eaten?

Grackles are reported to have been eaten by humans. However, modern laws do not permit killing of these birds for meat or any other purpose.

Gulls were consumed in the past by Inuit, Alaskan, Hare, and other cultures for survival. The meat of the birds is not considered appetizing. Further, it is illegal to hunt and eat Gulls under modern laws.

Can you hunt Grackle or Seagull?

Hunting and killing of Grackles is prohibited under the law. Nevertheless, some farmers poison them for destroying their crops and farms. In Canada, killing Grackles is not an offence.

Cultures in the northern hemisphere have hunted Seagulls in large numbers in bygone times. Some cultures have killed the birds for food. However, Gulls are not permitted to be hunted under existing laws.

Can you feed Grackle or Seagull?

Grackles are usually fed with worms, insects, eggs, corn, and millet. Feeding them in public is not allowed in the USA.

It is illegal to feed Gulls in public in some countries like the USA and Singapore. In countries like the UK, France, and India where feeding Gulls is allowed, the governments request the people to not feed processed food to the birds as it will harm their health. Gulls are scavengers, but it is advised to feed them healthy food like fish, worms, mice, and meat.