- 杜鹃花 dùjuānhuā azalearhododendron or azalea; the flower of the [[杜鹃|杜鵑|du4 juan1]] plant
- 杜鹃科 dùjuānkē CuculidaeCuculidae, the bird family including the cuckoo and related species
- 四声杜鹃 sìshēngdùjuān Indian cuckooa bird species of China with the scientific name Cuculus micropterus
- 大杜鹃 dàdùjuān common cuckoo(bird species of China) common cuckoo (Cuculus canorus)
- 小杜鹃 xiǎodùjuān lesser cuckoo(bird species of China) lesser cuckoo (Cuculus poliocephalus)
- 杜鹃啼血 dùjuāntíxuè extreme griefThe cuckoo weeps blood; a figure of speech for extreme sorrow or heartbreak. Based on a legend where a king's soul turned into a cuckoo and cried blood until his death.
- 杜鹃座 dùjuānzuò Tucanathe Tucana constellation
- 杜鹃花科 dùjuānhuākē Ericaceae(botany) the heather or heath family of flowering plants, which includes rhododendrons, azaleas, and blueberries
- 杜鹃鸟 dùjuānniǎo cuckoocuckoo bird
- 栗斑杜鹃 lìbāndùjuān banded bay cuckooa bird species native to East and Southeast Asia, also known by the scientific name Cacomantis sonneratii
- 棕腹杜鹃 zōngfùdùjuān Malaysian hawk-cuckoo(bird species of China) Malaysian hawk-cuckoo (Hierococcyx fugax)
- 簕杜鹃 lèdùjuān bougainvilleabougainvillea, a genus of thorny ornamental climbing plants or shrubs with colorful flower-like bracts
- 金丝杜鹃 jīnsīdùjuān rose mosstype of flowering plant with bright petals, also known as Portulaca grandiflora
- 八声杜鹃 bāshēngdùjuān plaintive cuckooplaintive cuckoo (Cacomantis merulinus), a bird species found in China
- 黄杜鹃 huángdùjuān Chinese azaleaa type of azalea with yellow flowers used in traditional medicine and as a pesticide
- 北方中杜鹃 běifāngzhōngdùjuān oriental cuckoo(bird species of China) oriental cuckoo (Cuculus optatus)
- 喜马拉雅中杜鹃 xǐmǎlāyǎzhōngdùjuān Himalayan cuckoo(bird species of China) Himalayan cuckoo (Cuculus saturatus)