--- title: Baby pigeons are rarely seen because the chicks stay hidden in the n… — Pigeons: head bobbing, homing and city cliffs · tree and pragmatics description: Baby pigeons are rarely seen because the chicks stay hidden in the nest until they are almost grown; both parents feed them a special crop milk. Who acts: chicks, parents. A sentence of the lesson «Pigeons: head bobbing, homing and city cliffs» of the biology course of Mova's primary school with its --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/221-pigeons-head-bobbing-homing-and-city-cliffs/9/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Pigeons: head bobbing, homing and city…](https://md.mova.elamur.ai/free/en/corpora/school/biology/221-pigeons-head-bobbing-homing-and-city-cliffs/) / 9 # Pigeons: head bobbing, homing and city cliffs, sentence 9 Baby pigeons are rarely seen because the chicks stay hidden in the nest until they are almost grown; both parents feed them a special crop milk. **Who acts:** chicks, parents · **What happens:** see, stay, hide, grow, feed · **To what, where:** Baby pigeons, nest, pigeons, special crop milk This is a sentence of the lesson «Pigeons: head bobbing, homing and city cliffs» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (chicks, parents), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:221-pigeons-head-bobbing-homing-and-city-cliffs.lesson:9 # text = Baby pigeons are rarely seen because the chicks stay hidden in the nest until they are almost grown; both parents feed them a special crop milk. # source = school lesson (ours) # course = biology # lesson = 221-pigeons-head-bobbing-homing-and-city-cliffs.lesson # annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×1 1 Baby baby NOUN NN Number=Sing 2 compound _ _ 2 pigeons pigeon NOUN NNS Number=Plur 5 nsubj:pass _ _ 3 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 5 aux:pass _ _ 4 rarely rarely ADV RB _ 5 advmod _ _ 5 seen see VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 6 because because SCONJ IN _ 9 mark _ _ 7 the the DET DT Definite=Def|PronType=Art 8 det _ _ 8 chicks chick NOUN NNS Number=Plur 9 nsubj _ _ 9 stay stay VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 5 advcl _ _ 10 hidden hide VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 9 xcomp _ _ 11 in in ADP IN _ 13 case _ _ 12 the the DET DT Definite=Def|PronType=Art 13 det _ _ 13 nest nest NOUN NN Number=Sing 10 obl _ _ 14 until until SCONJ IN _ 18 mark _ _ 15 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 18 nsubj _ _ 16 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 18 aux:pass _ _ 17 almost almost ADV RB _ 18 advmod _ _ 18 grown grow VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 9 advcl _ _ 19 ; ; PUNCT , _ 22 punct _ _ 20 both both DET DT PronType=Tot 21 det _ _ 21 parents parent NOUN NNS Number=Plur 22 nsubj _ _ 22 feed feed VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 5 parataxis _ Agree=R7-rel-agree|Haiku=5:conj 23 them they PRON PRP Case=Acc|Number=Plur|Person=3|PronType=Prs 22 iobj _ _ 24 a a DET DT Definite=Ind|PronType=Art 27 det _ _ 25 special special ADJ JJ Degree=Pos 27 amod _ _ 26 crop crop NOUN NN Number=Sing 27 compound _ _ 27 milk milk NOUN NN Number=Sing 22 obj _ _ 28 . . PUNCT . _ 5 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **see** | present · passive | | Baby pigeons | | | | rarely *property* | vn comprehend-87.2-1-1 «NP V NP»: subject=Stimulus | | 2 | **stay** | present | the chicks | | | | | | tree rules | | 3 | **hide** | participle | the chicks *not said here* | | | the nest | | | vn concealment-16-1 «NP V PP.location»: agent=Agent in nest=Location | | 4 | **grow** | present · passive | | pigeons *= pigeon* | | | | almost *property* | vn appear-48.1.1 «PP.location V NP»: subject=Theme | | 5 | **feed** | present | both parents | a special crop milk | pigeons *= pigeon* | | | | vn feeding-39.7 «NP V NP-Dative NP»: agent=Agent they=Recipient milk=Theme | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. **Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:221-pigeons-head-bobbing-homing-and-city-cliffs.lesson:9`. **The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence. See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Pigeons: head bobbing, homing and city…, 8](https://md.mova.elamur.ai/free/en/corpora/school/biology/221-pigeons-head-bobbing-homing-and-city-cliffs/8/) - next →: [Pigeons: head bobbing, homing and city…, 10](https://md.mova.elamur.ai/free/en/corpora/school/biology/221-pigeons-head-bobbing-homing-and-city-cliffs/10/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/221-pigeons-head-bobbing-homing-and-city-cliffs/)