Is Lavender toxic to Goffin Cockatoos?

Answer 1

I found it listed as a "non-toxic plant" at the website below --

Toxic plants
This is only a partial list; if you don’t see the one you are concerned about, do not assume it is safe. You can call the San Francisco Bay Area Regional Poison Center at [phone] for plant identification and toxicity information.

Acokanthera, Amaryllis, Angel’s trumpet apple, Apricot, Avocado, Azalea
Balsam pear, Baneberry, Belladonna, Bird of Paradise, Bitter melon, Bittersweet, Black locust, Blue cohush, Blue-green algae, Boxwood, Bracken Fern, Buckthorn, Burdock, Buttercup
Caladium, Calla lily, Carnation, Caster bean, Catclaw acacia, Chalice vine, Cherry tree, Chinaberry, Chokecherry, Christmas candle, Clematis, Coffee bean, Coral plant, Cotoneaster, Creeping charlie, Crocus, Cycad or Sago, Cycas
Daffodil, Daphne, Datura, Deadly amanita, Deadly nightshade, Death camas, Deiffenbachia, Delphinium, Devil’s Ivy, Dumbcane
Eggplant, Elderberry, Elephant’s ear (taro), Euonymus, European pennyroyal
False henbane ava bean, Figs (ficus), Four o’clock, Foxglove, Fruit pits
Golden chain
Heliotrope, Hemlock, Henbane, Holly and berries, Horse chestnut, Horse nettle, Hyacinth, Hydrangea
Indian turnip, Iris (blue flag), Ivy (Boston, English and Baltic)
Jack-in-the-pulpit, Java bean, Jequirity bean, Jerusalem cherry, Jessamine, Yellow Jimsonweed, Jonquil, Juniper
Lantana, Larkspur, Delhinium Laurel, English Lily of the valley, Lobelia, Locoweed, Lords & ladies, Lupine
Marigold, Marijuana, Mayapple, Mescal bean, Milkweed, Mistletoe, Mock orange, Monkshood, Moonseed, Morning glory seeds, Mountain Laurel, Mushrooms
Narcissus, Nightshade
Oak, Oleander
Peach, Pear, Peony, Periwinkle, Peyote, Philodendron, Pigweed, Pikeweed, Plum, Poinsettia, Poison hemlock, Poison ivy, Poison oak, Poison sumac, Pokeberry, Pokeweed, Poppy, Potato (shoots and plant), Pothos, Primrose, Privet, Prunus species seed pits
Ragwort, Red maple, Red sage, Rhododendron, Rhubarb, Rosary bean/pea
Sage, Seed pits: almond, apple, apricot, cherry, peach, pear and plum, Shamrock plant, Skunk cabbage, Snowdrop, Snow on the mountain, Sorrel, Spurges, Squill, Star of Bethlehem, String of beads/pearls, Sweet pea
Tobacco, Tomato leaves and plant, Toyon leaves, Tulip
Umbrella plant
Vetches, Vinca, Virginia creeper
Walnut, Water hemlock, Waxberry, Wisteria, Witchhazel, Woodrose
Yam bean, Yew

Non Toxic Plants

African daisy, african violet, aluminum plant, alyssum
Baby's tears, bachelor's button, balloon flower, bamboo (including golden), bee balm, bellflower, bird's nest fern, black-eyed Susan vine, blue marguerite, bottlebrush, bougainvillea, brush cherry, butterfly bush
California poppy, camellia, canna lily, carob tree, carpet bugle, cast iron plant, China aster, China doll, Christmas cactus, cockscomb, coleus, coreopsis, coral bells, corn plant, cosmos, crape myrtle, crocus(spring-blooming), crown-pink
Dahlia, dandelion, daylily, Douglas fir, dracaena
Easter lily, escallonia, eugenia, evening primrose
False spiraea, ferns (asparagus, bird's nest, Boston, maidenhair), figs (creeping, rubber, fiddle leaf, laurel left), flame violet, flowering maple, forget-me-not, freesia, fuchsia
Gardenia, globe thistle, gloxinia, goldfish plant, grape
hyacinth, grape ivy
Hare's-foot fern, hawthorn, heart-of-flame bromeliad,
hen and chicks, hibiscus, honey locust
Ice plant, impatiens, India hawthorn
Japanese aralia, Job's tears
Kangaroo vine
Lavender, lipstick plant, liriope
Magnolia, manzanita, meadow sweet, mirror plant, money plant, moneywort, mosaic plant, mountain ash, mulberry
Nasturtium, neoregelia bromeliad, nerve plant
Orchids, pachysandra
Palms (except fishtail), Palo Verde, passion vine, peperomia, persian violet, petunia, phlox, photinia, piggy-back plant, pine tree, pink polka-dot plant, pittosporum, plantain lily, pocketbook plant, ponytail plant, portulaca, prayer plant, purple coneflower, purple velvet plant,
Queen's tears bromeliad
Rattlesnake plant, red-hot poker, rockrose, rosary vine
Sage, silk tree, snapdragon, spider flower, spider plant, spiraea, spruce, star jasmine, statice, stonecrop, strawberry tree, sunflower, swedish ivy, sweet gum, sword fern, sycamore
Ti plant,
Urn plant bromeliad
Viburnum, vriesea bromeliad
Weigela, willow, yucca, zinnia

Answer 2

I have no knowledge of lavender being toxic to your bird, however do not cook with any appliance that contains Teflon, this is very toxic to birds and this can easily be verified with a little bit of research or even {God forbid} a phone call to a vet who specializes in avian issues.

Answer 3

Yes

Answer 4

extremely tough stuff look into on the search engines it could help