Blue-tailed Bee-eater

Merops philippinus

Order: Coraciiformes / Family: Meropidae

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blue green yellow medium tropical migratory common bird

About the Blue-tailed Bee-eater

The Blue-tailed Bee-eater (Merops philippinus) is a vibrant bird belonging to the family Meropidae. It is easily distinguishable by its bright plumage and characteristic slender body. This species is primarily found in South and Southeast Asia, stretching from parts of India through Indonesia and the Philippines. The Blue-tailed Bee-eater plays a crucial ecological role as both predator and prey within its ecosystem. By preying on bees and other insects, it helps control insect populations, thus maintaining a balance in the habitats it resides. These birds prefer open areas such as fields, wetlands, and coastal regions, where they can easily spot flying insects. Wetland edges and riverbanks provide ideal nesting grounds, especially during the breeding season. During these times, they display a remarkable communal behavior, nesting in large colonies that can be observed from afar. Seasonal behaviors include migration and courtship displays. While some populations are resident, others migrate over considerable distances. For instance, during the non-breeding season, some birds travel to southern India and Sri Lanka. This adaptability in movement and habitat selection underscores their ecological flexibility. By understanding the habits and preferences of the Blue-tailed Bee-eater, conservationists can better tailor efforts to preserve the delicate balance of these environments.

The Blue-tailed Bee-eater belongs to the family Meropidae, within the order Coraciiformes. These birds typically live average 6-7 years with a maximum recorded lifespan of 12 years..

How to Identify a Blue-tailed Bee-eater

Adult Blue-tailed Bee-eaters exhibit a distinctive plumage with bright green upperparts and a blue tail, which gives the bird its name. The throat is yellow with a subtle brownish tint, and a black eye-line extends across the face, enhancing its striking appearance. Juveniles are similar but tend to have duller plumage, lacking the full vibrancy of adults. Sexual dimorphism is minimal, with males and females appearing nearly identical. However, males may exhibit slightly longer tail streamers. In flight, the Blue-tailed Bee-eater displays an agile and graceful silhouette, characterized by long wings and a forked tail. On perches, they maintain a straight posture, often seen on exposed branches or wires in open areas. When identifying them, birders should be cautious not to confuse them with the Chestnut-headed Bee-eater, which lacks the blue tail and has a chestnut crown.

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Blue-tailed Bee-eater Habitat and Range

Preferred Habitat

Blue-tailed Bee-eaters favor a variety of habitats including open fields, wetland edges, and coastal areas. They thrive in lowland regions where they can easily hunt for flying insects. These birds are often spotted along riverbanks and near mangroves, particularly during the breeding season. In terms of elevation, they are typically found from sea level up to around 1,000 meters. Seasonal shifts in habitat are seen in migratory populations, which move to more temperate zones during the non-breeding season. While primarily found in rural areas, they have been known to adapt to suburban environments, especially where suitable feeding and nesting sites are available.

Geographic Range

The Blue-tailed Bee-eater's breeding range includes much of South Asia and Southeast Asia, extending from northern India to the Philippines and parts of Indonesia. These birds are migratory, with some populations traveling to southern India and Sri Lanka for the winter. The migration corridors are well-defined, particularly along coastal and riverine pathways that provide ample feeding opportunities. High-density populations are often observed in the Sundarbans of India and Bangladesh, as well as the Mekong Delta in Vietnam. In terms of habitat preference during migration, they utilize both coastal regions and inland wetlands, where food resources are abundant.

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What Does the Blue-tailed Bee-eater Eat?

The Blue-tailed Bee-eater primarily feeds on a variety of insects, with bees and wasps being preferred prey. They also consume dragonflies, beetles, and other flying insects. This bee-eater employs a unique foraging technique: catching insects mid-air with remarkable precision and then returning to a perch to consume them. They have a particular method of removing stingers by repeatedly striking the insect against a hard surface. Seasonal variations in diet occur, with a higher intake of bees during the breeding season when energy demands are greater. Prey size ranges from small flies to larger dragonflies, demonstrating the bird's adaptability in feeding habits.

Blue-tailed Bee-eater Behavior and Social Structure

Blue-tailed Bee-eaters exhibit fascinating social behavior, often seen in flocks except during the breeding season when they form nesting colonies. Their territorial behavior becomes pronounced during nesting, with pairs vigorously defending their chosen sites. Courtship displays play a significant role in pair formation and involve aerial acrobatics and food offerings from males to females. These birds are diurnal, with peak activity in the early morning and late afternoon. Their response to predators includes loud alarm calls and swift, evasive maneuvers. Communal roosting is common outside the breeding season, promoting safety in numbers.

Blue-tailed Bee-eater Nesting and Reproduction

The Blue-tailed Bee-eater constructs its nest in sandy banks, where it digs a horizontal tunnel leading to a nesting chamber. Nesting sites are chosen carefully, often along riverbanks or coastal cliffs. A typical clutch consists of 4 to 7 white eggs. Both parents share incubation duties, which last approximately 18 to 20 days. Fledging occurs about 30 days post-hatching, with both parents involved in feeding and caring for the young. These birds generally produce one brood per year, although conditions permitting, a second brood is possible. The communal nature of their nesting sites protects against many predators.

Blue-tailed Bee-eater Sounds and Vocalizations

The Blue-tailed Bee-eater's primary song is a series of high-pitched, melodious trills that carry across open landscapes. Their call notes are sharp and quick, often used for communication within flocks. Alarm calls are louder, serving as warnings to nearby birds of potential threats. During the dawn chorus, their voices blend into a symphony of sound, marking territory and reinforcing social bonds. Comparatively, their calls resemble a series of rapid 'prree-prree' notes, distinct among bee-eaters.

Interesting Facts About the Blue-tailed Bee-eater

1Blue-tailed Bee-eaters can catch insects mid-flight with incredible precision, a testament to their agile flying skills.
2During courtship, males present insects to females as part of their mating ritual, reinforcing pair bonds.
3These bee-eaters can remove stingers from their prey by repeatedly bashing the insect against a hard surface.
4The species is known for its communal nesting behavior, often forming colonies with dozens of nests in close proximity.
5Blue-tailed Bee-eaters display a striking aerial dance during courtship, showcasing their agility and dexterity.
6They can be found at elevations up to 1,000 meters, showing adaptability to various landscapes.
7Despite their name, not all Blue-tailed Bee-eaters migrate, with some populations remaining resident year-round.

Blue-tailed Bee-eater Conservation Status

Currently, the Blue-tailed Bee-eater holds a Least Concern status on the IUCN Red List. Populations are generally stable, with some local increases in numbers. Primary threats include habitat destruction, particularly the loss of nesting sites due to riverbank erosion and human development. Conservation efforts focus on habitat preservation and restoration, particularly in critical breeding areas. Historical data indicates fluctuations in population sizes, correlating with changes in land use practices. Continued monitoring and protective measures are essential to ensure their long-term survival.