What Are The Intriguing Features Of The Blue-legged Bird-eater Tarantula, And How Is It Cared For In Captivity?

Have you ever wondered about the captivating details of the blue-legged bird-eater tarantula? This beautiful and unique species is known for its mesmerizing blue legs, which make it stand out among other tarantulas. In this article, we will explore the intriguing features of this spider and learn how to properly care for it in captivity. From its vibrant coloration to its fascinating hunting techniques, get ready to discover the wonders of the blue-legged bird-eater tarantula and become an expert in giving it the best possible care.

What Are The Intriguing Features Of The Blue-legged Bird-eater Tarantula, And How Is It Cared For In Captivity?

Physical Characteristics


The blue-legged bird-eater tarantula, also known as the Pamphobeteus vespertinus, boasts an eye-catching combination of colors on its body. While the abdomen is predominantly black, it is adorned with patches of bright blue on its legs, which is the distinguishing feature that gives this tarantula its name. The contrast between the black and blue hues makes for a visually striking appearance.


This tarantula species is known for its impressive size. Adults can grow to have a leg span of 7 to 9 inches, making them one of the largest tarantula species in the world. Their robust bodies and long legs contribute to their impressive stature. It’s important to note that females tend to be larger than males, a common trait among tarantula species.

Legs and Pedipalps

The blue-legged bird-eater tarantula possesses eight thick and hairy legs, which aid in its movement and capture of prey. The legs are not only used for walking but are also essential in constructing intricate webs. Additionally, these tarantulas have pedipalps, which are appendages located near the head. These pedipalps, similar in appearance to legs, serve various purposes, such as sensing the environment and manipulating prey during feeding.

Fangs and Venom

Like all tarantulas, the blue-legged bird-eater has fangs to inject venom into its prey. These fangs are located at the front of their head and are used to immobilize and subdue their prey. While tarantula venom can cause mild discomfort to humans, it is typically not considered dangerous. However, individuals with allergies or sensitive reactions should still exercise caution when handling or being bitten by a tarantula.

Hairs on the Body

One of the fascinating features of the blue-legged bird-eater tarantula is its dense covering of fine, prickly hairs on its body. These hairs serve multiple purposes. Primarily, they act as a defense mechanism, deterring potential predators by causing irritation and discomfort when released into the air. Additionally, the hairs help to retain moisture and regulate body temperature, particularly in the tarantula’s natural habitat.

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Habitat and Distribution

Natural Habitat

The blue-legged bird-eater tarantula can be found in the tropical rainforests and cloud forests of South America. These tarantulas prefer areas with a consistent temperature and humidity level, which mirrors their natural habitat. They are typically found in tree trunks, burrows, or beneath fallen leaves, seeking shelter and protection from predators.

Geographical Range

This species of tarantula is native to select regions in South America, including parts of Ecuador and Peru. Within these regions, they are often found within the Amazon Rainforest and the Andean cloud forests, where there is an abundance of moisture and vegetation. It is important to note that their habitat is at risk due to deforestation, making conservation efforts crucial for their survival.

Feeding Habits

Diet in the Wild

As their name suggests, the blue-legged bird-eater tarantula is a formidable predator that preys on a variety of creatures. While they primarily feed on insects like crickets, grasshoppers, and beetles, these creatures are not their sole targets. These tarantulas are known to be opportunistic hunters and may also catch small reptiles, amphibians, or even small mammals if the opportunity arises.

Feeding in Captivity

In captivity, the blue-legged bird-eater tarantula’s diet can be replicated by offering a selection of appropriately-sized live insects. Crickets, roaches, and mealworms are all suitable food sources. It is crucial to ensure the insects provided are gut-loaded or fed a nutritious diet to ensure the tarantula’s overall health. Offering a varied diet is essential to provide the necessary nutrients and prevent nutritional deficiencies in captive tarantulas.



Burrowing is a natural behavior for the blue-legged bird-eater tarantula. In their natural habitat, they create burrows using their strong legs and pedipalps to excavate soil or find pre-existing shelters. Burrows serve as a place of safety, protection from predators, and an environment with stable temperature and humidity. In captivity, providing an appropriate substrate for burrowing is essential to mimic their natural behavior and allow them to feel secure.

Web Spinning

While not as prominent in the blue-legged bird-eater tarantula as in some other tarantula species, they are still capable of spinning webs. These webs are primarily used for capturing prey and creating shelter. The silk produced by their spinnerets is incredibly strong, allowing them to construct intricate and effective webs. However, it is important to note that these tarantulas rely more on their hunting skills and agility rather than web-building for capturing prey.

Aggression Levels

The blue-legged bird-eater tarantula is generally considered to be relatively docile, particularly when compared to other tarantula species. While they possess fangs and venom, they are unlikely to display aggression towards humans unless provoked or threatened. However, it is important to exercise caution and respect when handling or interacting with this or any other tarantula species to prevent unnecessary stress or injury to both the tarantula and the handler.

What Are The Intriguing Features Of The Blue-legged Bird-eater Tarantula, And How Is It Cared For In Captivity?


Mating Rituals

Mating in the blue-legged bird-eater tarantula typically occurs during the breeding season, which can vary depending on environmental factors. Male tarantulas usually initiate the courtship process by drumming their legs and abdomen to signal their intentions to the female. If the female accepts, they engage in a complex and delicate mating ritual, which may involve tapping, circling, and other characteristic movements. It is important to note that female tarantulas have been known to display aggression towards males if they are not receptive to mating.

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Egg Laying and Incubation

After successful mating, the female blue-legged bird-eater tarantula will lay eggs, usually within a sac made of silk. These egg sacs are carefully guarded by the female until the spiderlings hatch. The duration of the incubation period can vary, but it generally ranges from several weeks to a few months. Once the spiderlings emerge from the egg sac, they are completely independent and go through a series of molts as they grow into mature tarantulas.

Captivity Requirements

Enclosure Size

Providing an appropriately sized enclosure is essential for the well-being of the blue-legged bird-eater tarantula. As they grow to a considerable size, a tank with a minimum size of 10-15 gallons is recommended for an adult. The enclosure should have secure ventilation to maintain adequate airflow while preventing escapes. It is crucial to consider the tarantula’s need for space to move, burrow, and create webs when selecting an enclosure size.

Temperature and Humidity

Maintaining suitable temperature and humidity levels is important for the health of the blue-legged bird-eater tarantula. They require a temperature range of approximately 75-85°F (24-29°C), with a slight drop in temperature during the nighttime. Humidity levels should be kept between 60-70%, simulating the conditions found in their natural habitat. The use of a reliable thermometer and hygrometer is essential to monitor and regulate these factors effectively.


Choosing an appropriate substrate is crucial for mimicking the blue-legged bird-eater tarantula’s natural habitat and supporting its burrowing behavior. A mixture of peat moss, coco fiber, or a substrate specifically designed for tarantulas can provide suitable texture and moisture retention. It is important to avoid substrates that may contain pesticides or additives that could be harmful to the tarantula.

Hideouts and Decorations

Providing suitable hideouts and decorations within the enclosure is important to create a stimulating and enriching environment for the blue-legged bird-eater tarantula. Providing hollow logs, fake plants, or even commercially available hides can offer the tarantula places to retreat and feel secure. Adding natural elements, such as rocks or small pieces of bark, can also enhance the visual appeal of the enclosure while providing additional climbing opportunities.

What Are The Intriguing Features Of The Blue-legged Bird-eater Tarantula, And How Is It Cared For In Captivity?

Feeding and Watering

Appropriate Diet

The blue-legged bird-eater tarantula should be offered a varied diet consisting of appropriately sized live insects. Crickets, roaches, and mealworms are all suitable prey items. It is important to ensure that the insects provided are healthy and sourced from reputable suppliers to avoid introducing any potential diseases or parasites to the tarantula.

Feeding Schedule

Establishing a regular feeding schedule is essential for the well-being of the blue-legged bird-eater tarantula. Feeding an adult tarantula approximately once a week or every two weeks is generally sufficient. However, it is crucial to monitor the tarantula’s body condition and adjust the feeding frequency accordingly. Juvenile tarantulas will require more frequent feedings to support their growth.

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Watering Needs

While the blue-legged bird-eater tarantula primarily obtains moisture from their prey, it is important to provide a shallow water dish within the enclosure. The dish should be kept clean and filled with fresh water to ensure hydration. Additionally, misting the enclosure once or twice a week can help maintain appropriate humidity levels.

Handling and Care

Safety Measures

Handling tarantulas, including the blue-legged bird-eater, should be approached with caution. While they are generally docile, any interaction with them should prioritize the safety and well-being of both the tarantula and the handler. Wearing protective gloves, using proper handling tools, and practicing gentle and controlled movements are all important safety measures. It is crucial to educate oneself about handling techniques and be aware of any potential allergen concerns, as some individuals may have adverse reactions to the tarantula’s hairs or venom.

Handling Techniques

As a general rule, it is recommended to minimize handling the blue-legged bird-eater tarantula or any tarantula species unless necessary or experienced in handling them. Tarantulas are delicate creatures, and excessive handling can cause stress or injuries. If handling is required, using a soft brush or a container to guide them gently is often the safest method.

What Are The Intriguing Features Of The Blue-legged Bird-eater Tarantula, And How Is It Cared For In Captivity?

Common Health Issues

Molting Problems

Molting, the process of shedding their exoskeleton, can be a vulnerable time for tarantulas. Molting problems, such as unsuccessful molts or retained exoskeleton pieces, can occur and may require intervention. Providing sufficient humidity and maintaining proper temperature can help facilitate a successful molt. In case of molting issues, consultation with a veterinarian specializing in exotic pets is recommended.

Parasites and Infections

Tarantulas, including the blue-legged bird-eater, can be susceptible to various parasites and infections. Prevention is crucial through practicing good hygiene, providing a clean enclosure, and monitoring the tarantula’s overall health and behavior. If signs of infection or unusual behavior are observed, seeking veterinary attention is essential for diagnosis and appropriate treatment.


Injuries can occur in tarantulas due to falls, accidents, or aggressive encounters with other animals. Providing a secure enclosure with appropriate lid and ensuring proper handling techniques can help prevent injuries. If an injury is observed, consulting a veterinarian or an experienced tarantula keeper is advised for appropriate care and treatment.

Interaction and Enrichment

Observation Opportunities

Observing the blue-legged bird-eater tarantula in its enclosure can be an incredibly rewarding experience. Their natural behaviors, such as hunting or creating webs, can be fascinating to witness. Taking the time to observe their movements and habits can provide valuable insights into their unique characteristics and contribute to a deeper appreciation for these incredible creatures.

Creating an Enriching Environment

Creating an enriching environment within the tarantula’s enclosure can contribute to its overall well-being and mental stimulation. Providing climbing structures, such as branches or cork bark, can encourage natural behaviors and offer opportunities for exploration. Additionally, offering different textures and decorations, like artificial plants or rocks, can provide additional points of interest and visual stimulation.

In conclusion, the blue-legged bird-eater tarantula possesses intriguing physical characteristics, including its distinct coloration and impressive size. Its behaviors, such as burrowing and web spinning, highlight its fascinating adaptations. By understanding the tarantula’s natural habitat, feeding habits, and reproductive needs, we can effectively care for them in captivity. By providing appropriate enclosures, maintaining suitable environments, and practicing proper handling and care, we can ensure the well-being of the blue-legged bird-eater tarantula and enjoy the unique experience of observing and interacting with these captivating creatures.

What Are The Intriguing Features Of The Blue-legged Bird-eater Tarantula, And How Is It Cared For In Captivity?