Yes, Bird of Paradise is toxic to dogs!
Dogs accidentally consuming the Bird of Paradise plants can show the following clinical symptoms: Vomiting, Prolonged Depression, Incoordination, Hypersalivaton, Sleepiness Or Excitation, Dilated Pupils, Low Body Temperature, Low Blood Pressure, Coma, Seizure And Death (In Rare Cases).
Bird of Paradise consumption is also toxic to Cats.
Toxic Principles Of Bird of Paradise: possibly hydrocyanic acid.
More Info About The Bird of Paradise Plant
Scientific Name: Caesalpinia gilliesii
Family: Leguminosae.
Also known as: Peacock Flower, Barbados Pride, Poinciana, Pride of Barbados.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.