Comprehensive Guide to the Lesser Sulfur Cockatoo ( Vet’s Opinion)

Last Updated on December 22, 2023 by Ali Shahid

The Lesser Sulfur Cockatoo, also called the Yellow-crested Cockatoo, is a charming white bird found in places like East Timor, Sulawesi in Indonesia, and the Lesser Sundas islands. Its unique features include blueish-white skin around the eyes, gray feet, a black beak, and a cool retractable crest in yellow or orange. Besides its captivating appearance, this bird is known for its friendly and playful nature.

Sadly, these cockatoos are in big trouble in their natural homes. Their numbers are dropping fast because their habitats are getting destroyed, and people are illegally capturing them for pets. This has put them in a critical situation, and they are now at great risk of disappearing forever.

Thankfully, there are people working hard to save these wonderful birds. Conservation projects are in action to protect them and make sure they stick around for future generations to enjoy. It’s crucial that we all play a part in preserving the beauty and uniqueness of the Lesser Sulfur Cockatoo.

Lesser Sulfur Cockatoo

Habitat and Distribution

The Lesser Sulfur Cockatoo hails from the rich landscapes of Sulawesi and the Sunda Islands in Indonesia. These birds are quite versatile, making themselves at home in various environments, including wooded areas, cultivated lands, open woodlands, and the fringes of forests adjacent to grasslands and wheat fields. 

Their adaptability shines as they inhabit open spaces with scattered trees, farmlands, and the borders of forests, spanning from sea level to elevations exceeding 500 meters in mountains.

The Sunda Islands, where these cockatoos reside, form part of the Malay Archipelago, celebrated for its ecological richness. The habitat of the Lesser Sulfur Cockatoo extends across tropical forests and their peripheries on the Indonesian islands, showcasing the bird’s ability to thrive in diverse environments.

Physical Characteristics

The Lesser Sulfur Cockatoo, scientifically known as Cacatua sulphurea, is a moderate-sized bird measuring around 13 inches (34 cm) in length. It boasts a striking white feather coat and a unique yellow or orange crest that can be extended or tucked away. 

While males and females of this species share a similar appearance, there are subtle distinctions that help tell them apart. Generally, males exhibit dark brown to black irises, while females showcase reddish irises. Although eye color is a common indicator of gender in cockatoos, it might not be a foolproof method in every case.

Behavior and Personality

The Lesser Sulfur Cockatoo, or scientifically Cacatua sulphurea, is a lively and spirited bird celebrated for its friendly and playful demeanor. Despite their lively nature, these cockatoos tend to be a bit reserved, often taking their time to get accustomed to new places and people. 

Unlike some of their cockatoo counterparts, they aren’t prone to destructive behaviors, displaying a more measured curiosity about their surroundings. Although they are intelligent, they aren’t particularly renowned for their talking skills. On the flip side, they can be quite vocal, producing loud, sometimes deafening sounds, especially when in large groups.

Nevertheless, their engaging personalities and affectionate disposition make them delightful and captivating companions.


The Lesser Sulfur Cockatoo mainly relies on a diet that includes seeds, fruits, nuts, and berries. Additionally, they may munch on flowers, buds, and leaves. 

These adaptable birds showcase their resourcefulness by sourcing their food from diverse habitats, ranging from wooded and cultivated areas to open woodlands and forests on the edges of grasslands and wheat fields in Sulawesi and the Sunda Islands of Indonesia.

Breeding and Reproduction

The breeding and reproduction process of the Lesser Sulfur Cockatoo is quite captivating. In this process, both parents actively participate in incubating the eggs, with the female typically being the one to lay them. The usual clutch size ranges from 2 to 3 eggs. The incubation period for these eggs lasts approximately 28 days.

These cockatoos can start breeding as early as 2 years old, although it’s more common for them to begin between the ages of 4 to 6 years. This reproductive cycle holds significant importance for the species, especially given its current critically endangered status, emphasizing the importance of successful breeding for the survival of the Lesser Sulfur Cockatoo.

Lesser sulfur cockatoo As Pets

Welcoming a Lesser Sulfur Cockatoo into your home promises a captivating and rewarding experience, but it comes with responsibilities. To ensure their well-being, consider the following care tips:


Create a spacious haven for your cockatoo by investing in a large cage that allows for flight. The recommended minimum size is a rectangular cage standing four feet high and three times the wingspan of the bird. Opting for the largest cage possible is ideal, providing the necessary room for their active nature and exercise.


Keep your feathered friend entertained and content with a variety of toys, wooden blocks, or branches designed for chewing. Shiny toys add an extra layer of enjoyment, offering a source of engagement and preventing boredom, which, in turn, curbs destructive behaviors.

Ensuring a thriving environment for your Lesser Sulfur Cockatoo involves understanding and catering to their specific needs. By offering ample space, engaging toys, and thoughtful care, you can cultivate a fulfilling companionship with these remarkable birds.


Ensuring the well-being of your Lesser Sulfur Cockatoo requires a thoughtful approach to its diet. It’s like crafting a personal menu tailored to their health. Imagine this – 75% of their daily food intake should come from top-notch parrot pellets. These aren’t just any pellets; they’re the VIPs of the bird culinary world. The remaining 25% is where you can get creative with fresh fruits and veggies, adding a burst of natural goodness.

Picture this as your bird’s daily feast: start with 1/4 cup of those fancy pellets and another 1/4 cup filled with the vibrancy of fruits. As your feathery friend relishes the meal, adjust the portions based on their appetite. Think of it as serving a banquet that evolves with their needs.

Now, let’s talk treats. Nuts and seeds, like little rewards during training sessions, should be given in moderation. Think of it as the cherry on top, a flavorful incentive to keep your bird engaged.

Here’s where the magic lies – balance. Your avian companion needs a mix of proteins, carbohydrates, fats, minerals, and vitamins. For seeds, think of safflower, millet, canary, sunflower, and groat seeds – the A-listers of the seed kingdom. When it comes to veggies, picture a colorful plate filled with lettuce, spinach, corn, carrots, broccoli, kale, and chard. Now, the fruity finale: pineapples, mangoes, melons, bananas, tangerines, apples, and coconuts, creating a fruity symphony of flavors.

In essence, this isn’t just about feeding; it’s a culinary adventure tailored to your feathered friend’s well-being. It’s like concocting a magical potion, and you hold the recipe to a healthy, happy avian life.


To keep these lively companions in the pink of health, here’s the drill: they need a solid 3 to 4 hours of playtime outside their cage daily. It’s like opening the door to a birdy adventure playground.

Think of it as giving your feathered friend a mini-vacation every day. Create a space that’s not just a cage but a haven for climbing, stretching, and showing off those magnificent wings. Imagine it as a personalized gym, tailor-made for your cockatoo’s exercise routine.

Now, here’s an insider tip from experienced cockatoo aficionados – play stands and special perches. These aren’t just accessories; they’re like the VIP lounges for your bird’s workout sessions. Picture it as a designated spot where they can showcase their acrobatic moves and burn off some of that high-octane energy.

So, let the daily birdy Olympics begin! It’s not just about exercise; it’s about letting your Cockatoo spread its wings, both literally and figuratively. It’s a daily dose of freedom, ensuring your lively friend stays at the peak of health and spirits.

Social Interaction

These charming companions thrive on socializing, making regular hangouts with their owners a must. Picture it as having a feathered friend who’s not just a pet but a conversationalist. These birds are like language wizards, quick learners who can pick up words and phrases with ease. It’s like having your very own chatty companion!

Now, here’s the inside scoop for a harmonious cohabitation – the need to chew. These birds are natural chewers, and it’s not about mischief; it’s about keeping those beaks busy. To save your household items from becoming impromptu chew toys, envision a world where non-toxic wood or cardboard bird-safe toys take center stage. It’s like presenting them with a treasure trove of entertainment, ensuring hours of joy, and sparing your belongings from their enthusiastic beak exploration.

So, it’s more than just sharing space; it’s about creating an interactive, engaging environment for your Cockatoo. Imagine each interaction as a chance to bond, teach, and provide endless entertainment. It’s a win-win – your bird stays happy, and your household items remain intact

Health Monitoring

Picture this as a routine spa day for your cherished Lesser Sulfur Cockatoo – regular health check-ups are not just recommended but crucial. Think of your veterinarian as the avian health guru, ready to perform a holistic wellness session. It’s like giving your feathery friend the VIP treatment.

During these check-ups, envision a thorough physical examination, a grooming session (complete with nail or wing trimming if needed), and high-tech tests, including blood and stool analysis. It’s like a comprehensive health report for your bird, ensuring they’re in top-notch condition.

Now, let’s talk about the common hiccups in their well-being journey. Imagine Aspergillosis, a pesky fungal disease, bacterial infections, nutritional deficiencies – these are the villains your bird might face. And here’s the plot twist – their dependent nature can sometimes lead to behavioral issues. Feather picking and screaming become their signature moves, and for some, self-mutilation is like a challenging puzzle they attempt to solve by chewing their bodies, especially the chest and legs. Think of it as a tough nut to crack; once self-mutilation sets in, it’s an uphill battle to find a cure.

In essence, these check-ups are not just about fixing problems; they’re about preventing them. It’s like investing in a lifetime of well-being for your Cockatoo, ensuring they stay the vibrant, happy companions they are. So, schedule those check-ups – it’s like giving your bird the key to a long and healthy life

Other Care Tips

Imagine treating your Lesser Sulfur Cockatoo to a spa day on the regular – bathing isn’t just a luxury, it’s a must for keeping those feathers in top-notch condition. It’s like giving your feathered friend a refreshing retreat, ensuring their plumage stays on point. And if a little help from a blow dryer is needed, picture it as the finishing touch to their spa experience, gently drying them off.

Now, let’s talk real estate – your bird’s cage. Envision it as a mini paradise where they can explore, climb, and play. It’s not just a cage; it’s their personal playground. Imagine having multiple locks on this avian haven, like the security system ensuring your lively friend stays put and doesn’t pull a Houdini.

And here’s the heart of the matter – caring for a Lesser Sulfur Cockatoo is a commitment that spans years. These birds are like lifelong companions, so every bath, every cage setup, it’s all part of a long-term relationship. It’s like embarking on a journey where you’re not just a caretaker but a companion in their colorful world.

A gentle reminder – ethical care is the key. Picture it as being the guardian of a critically endangered species. It’s not just about keeping them happy; it’s about ensuring their well-being contributes to the preservation of a unique and precious avian family. So, every bath, every cage setup, it’s not just care; it’s a pledge to cherish and protect a species for generations to come.

Threats and Conservation Efforts

In the wild, the Lesser Sulphur Cockatoo (Cacatua sulphurea) faces a critical threat from habitat destruction and illegal trapping for the pet trade. It’s like witnessing a delicate balance on the edge of disruption.

Now, let’s dive into the heroics of conservation efforts, a collective endeavor to safeguard these feathered wonders. Imagine teams monitoring populations, like guardians keeping a watchful eye on the pulse of the species. They’re not just counting; they’re gathering intricate data on habitat use, painting a detailed picture of their lives in the wild.

To tackle the threats head-on, envision a comprehensive strategy. It involves understanding and qualifying existing dangers to nesting cockatoos. It’s like deciphering a complex puzzle to ensure the safety of the next generation.

Now, the game-changer – local participation. Think of it as a community coming together through education programs. It’s not just about saving a species; it’s about fostering a shared responsibility for the environment. And partnering with local agencies becomes the cornerstone, a united front to halt illegal activities like poaching.

Here’s a touch of innovation – hiring former trappers turned protectors. It’s like turning a new leaf, transforming those once involved in capturing these birds into the frontline defenders of their kind.

In essence, these efforts are not just about conservation; they’re a quest to unravel the mysteries of the Lesser Sulfur Cockatoo’s existence. It’s like drafting a blueprint for their survival, with each initiative a brushstroke in a masterpiece of preservation.

Places to Buy Lesser Sulfur Cockatoo and Prices

Consider embarking on the journey of adding a Lesser Sulfur Cockatoo to your life? Here’s a roundup of places where you might find these captivating birds:

  1. Golden Cockatoo: A potential stop, offering the enchanting Lesser Sulfur Cockatoo at a price of $2,699.99.
  2. Parrots Adoption: Explore this option with cockatoos available for sale at a price of $1,500.00.
  3. Birds Now: A variety awaits, with Lesser Sulfur Crested Cockatoos listed at different price points – $2,500, $5,500, and even up to $6,000.
  4. Pharrell Parrots World: A potential source, though the price for their Lesser Sulfur Crested Cockatoos is not explicitly stated on the website.
  5. Ana’s Parrots & Supplies: A visit could unveil a Sulfur Crested Cockatoo; however, the price tag is currently a mystery.
  6. Amazing Bird Breeders: Delve into the offerings of Sulphur Crested Cockatoos, but alas, the price remains undisclosed.

Remember, the ticket to avian companionship isn’t just about the price tag. Factors such as age, health, and the breeder’s location can sway the cost. Most importantly, tread ethically and legally. The Lesser Sulfur Cockatoo is teetering on the brink of endangerment, so always opt for reputable breeders. Say no to illegal trapping and trade, and yes to a responsible, humane addition to your life.




  • Ali Shahid

    Ali Shahid is a veterinarian by profession and an animal lover. He loves to give expert opinions about different animals. He has worked in top organization of birds like Bigbird Feed and Poultry Research institute. He loves birds, especially parrots and has great experience in different parrot farms.

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