--- title: In the 1960s there were only about 400 nesting pairs of bald eagles… — Comeback stories: bald eagles, humpback whales,… · tree and pragmatics description: In the 1960s there were only about 400 nesting pairs of bald eagles in the lower 48 states of America, because DDT made their eggshells thin; after DDT was banned in 1972 and eagles were protected, there are now over 70,000 pairs. Who acts: 400 nesting pairs, DDT. A sentence of the lesson «Comeback --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/282-comeback-stories-bald-eagles-humpback-whales-condors-and-the-kakapo/4/) [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/) / [Comeback stories: bald eagles, humpbac…](https://md.mova.elamur.ai/free/en/corpora/school/biology/282-comeback-stories-bald-eagles-humpback-whales-condors-and-the-kakapo/) / 4 # Comeback stories: bald eagles, humpback whales, condors and the kakapo, sentence 4 In the 1960s there were only about 400 nesting pairs of bald eagles in the lower 48 states of America, because DDT made their eggshells thin; after DDT was banned in 1972 and eagles were protected, there are now over 70,000 pairs. **Who acts:** 400 nesting pairs, DDT · **What happens:** be, nest, make, ban, protect · **To what, where:** 1960s, eggshells, DDT, 1972, eagles, 70,000 pairs This is a sentence of the lesson «Comeback stories: bald eagles, humpback whales, condors and the kakapo» 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 (400 nesting pairs, DDT), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:282-comeback-stories-bald-eagles-humpback-whales-condors-and-the-kakapo.lesson:4 # text = In the 1960s there were only about 400 nesting pairs of bald eagles in the lower 48 states of America, because DDT made their eggshells thin; after DDT was banned in 1972 and eagles were protected, there are now over 70,000 pairs. # source = school lesson (ours) # course = biology # lesson = 282-comeback-stories-bald-eagles-humpback-whales-condors-and-the-kakapo.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): R5-strong ×4, R7-rel-agree ×2, R8-pos-agree ×1 1 In in ADP IN _ 3 case _ _ 2 the the DET DT Definite=Def|PronType=Art 3 det _ _ 3 1960s 1960s NOUN NNS Number=Ptan|NumForm=Combi|NumType=Card 5 obl _ _ 4 there there PRON EX PronType=Dem 5 expl _ _ 5 were be VERB VBD Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin 0 root _ _ 6 only only ADV RB _ 8 advmod _ _ 7 about about ADV RB _ 8 advmod _ _ 8 400 400 NUM CD NumForm=Digit|NumType=Card 10 nummod _ _ 9 nesting nest VERB VBG VerbForm=Ger 10 amod _ _ 10 pairs pair NOUN NNS Number=Plur 5 nsubj _ _ 11 of of ADP IN _ 13 case _ _ 12 bald bald ADJ JJ Degree=Pos 13 amod _ _ 13 eagles eagle NOUN NNS Number=Plur 10 nmod _ _ 14 in in ADP IN _ 18 case _ _ 15 the the DET DT Definite=Def|PronType=Art 18 det _ _ 16 lower low ADJ JJR Degree=Cmp 18 amod _ _ 17 48 48 NUM CD NumForm=Digit|NumType=Card 18 nummod _ _ 18 states state NOUN NNS Number=Plur 5 obl _ Agree=R5-strong|Haiku=13:nmod 19 of of ADP IN _ 20 case _ _ 20 America America PROPN NNP Number=Sing 18 nmod _ _ 21 , , PUNCT , _ 24 punct _ _ 22 because because SCONJ IN _ 24 mark _ _ 23 DDT DDT PROPN NNP Number=Sing 24 nsubj _ Agree=R8-pos-agree|Haiku=24:nsubj|HaikuPos=NOUN:NN:Number=Sing 24 made make VERB VBD Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin 5 advcl _ Agree=R7-rel-agree|Haiku=5:conj 25 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 26 nmod:poss _ _ 26 eggshells eggshell NOUN NNS Number=Plur 24 obj _ _ 27 thin thin ADJ JJ Degree=Pos 24 xcomp _ Agree=R5-strong|Haiku=26:amod 28 ; ; PUNCT , _ 32 punct _ _ 29 after after SCONJ IN _ 32 mark _ Agree=R5-strong|Haiku=30:case|HaikuPos=ADP:IN:_ 30 DDT DDT PROPN NNP Number=Sing 32 nsubj:pass _ Agree=R7-rel-agree|Haiku=32:obl|HaikuPos=NOUN:NN:Number=Sing 31 was be AUX VBD Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin 32 aux:pass _ _ 32 banned ban VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 24 advcl _ _ 33 in in ADP IN _ 34 case _ _ 34 1972 1972 NUM CD NumForm=Digit|NumType=Card 32 obl _ _ 35 and and CCONJ CC _ 38 cc _ _ 36 eagles eagle NOUN NNS Number=Plur 38 nsubj:pass _ _ 37 were be AUX VBD Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin 38 aux:pass _ _ 38 protected protect VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 32 conj _ _ 39 , , PUNCT , _ 5 punct _ _ 40 there there PRON EX PronType=Dem 41 expl _ _ 41 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 45 cop _ _ 42 now now ADV RB PronType=Dem 41 advmod _ Agree=R5-strong|Haiku=45:advmod 43 over over ADV RB _ 44 advmod _ _ 44 70,000 70,000 NUM CD NumForm=Digit|NumType=Card 45 nummod _ _ 45 pairs pair NOUN NNS Number=Plur 5 conj _ _ 46 . . 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 | **be** | past | 400 nesting pairs of bald eagles | | | the 1960s; there | | in the lower 48 states of America | vn exist-47.1 «NP V PP.location»: agent=Theme in 1960s=Location | | 2 | **nest** | gerund | | | | | | | vn berry-13.7 «NP V»: agent=Agent | | 3 | **make** | past | DDT | pairs's eggshells | | | | thin *property* | vn build-26.1-1 «NP V NP»: agent=Agent eggshell=Product | | 4 | **ban** | past · passive | | DDT | | 1972 | | | vn forbid-64.4-1 «NP V NP»: subject=Theme | | 5 | **protect** | past · passive | | eagles | | | | | vn defend-72.3 «NP V NP»: subject=Beneficiary | | 6 | **is a** | present | 400 nesting pairs of bald eagles *not said here* | 70,000 pairs | | | | | tree rules | 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:282-comeback-stories-bald-eagles-humpback-whales-condors-and-the-kakapo.lesson:4`. **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): R5-strong ×4, R7-rel-agree ×2, R8-pos-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: [Comeback stories: bald eagles, humpbac…, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/282-comeback-stories-bald-eagles-humpback-whales-condors-and-the-kakapo/3/) - next →: [Comeback stories: bald eagles, humpbac…, 5](https://md.mova.elamur.ai/free/en/corpora/school/biology/282-comeback-stories-bald-eagles-humpback-whales-condors-and-the-kakapo/5/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/282-comeback-stories-bald-eagles-humpback-whales-condors-and-the-kakapo/)