---
title: Some tiger moths click back at bats to jam their echoes or warn that… — Echolocation: how bats see with sound · tree and pragmatics
description: Some tiger moths click back at bats to jam their echoes or warn that they taste nasty, and some moths can hear bats and dive away; the fluffy scales on some moths' wings soak up sound, so the bat hears less echo. Who acts: tiger moths, calls, moths, fluffy scales. A sentence of the lesson «Echolocat
---

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# Echolocation: how bats see with sound, sentence 9

<!-- .ven lang=en -->
Some tiger moths click back at bats to jam their echoes or warn that they taste nasty, and some moths can hear bats and dive away; the fluffy scales on some moths' wings soak up sound, so the bat hears less echo.

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**Who acts:** tiger moths, calls, moths, fluffy scales, bat · **What happens:** click back, jam, warn, taste, hear, dive away · **To what, where:** bats, echoes, sound, less echo · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «Echolocation: how bats see with sound» 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 (tiger moths, calls, moths, fluffy scales), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:229-echolocation-how-bats-see-with-sound.lesson:9
# text = Some tiger moths click back at bats to jam their echoes or warn that they taste nasty, and some moths can hear bats and dive away; the fluffy scales on some moths' wings soak up sound, so the bat hears less echo.
# source = school lesson (ours)
# course = biology
# lesson = 229-echolocation-how-bats-see-with-sound.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 ×1, R7-rel-agree ×2, R8-pos-agree ×2
1	Some	some	DET	DT	PronType=Ind	3	det	_	_
2	tiger	tiger	NOUN	NN	Number=Sing	3	compound	_	_
3	moths	moth	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	click	click	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	0	root	_	Agree=R8-pos-agree|Haiku=0:root|HaikuPos=VERB:VB:Mood=Imp|VerbForm=Fin
5	back	back	ADV	RB	_	4	advmod	_	_
6	at	at	ADP	IN	_	7	case	_	_
7	bats	bat	NOUN	NNS	Number=Plur	4	obl	_	_
8	to	to	PART	TO	_	9	mark	_	_
9	jam	jam	VERB	VB	VerbForm=Inf	4	advcl	_	_
10	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	echoes	echo	NOUN	NNS	Number=Plur	9	obj	_	_
12	or	or	CCONJ	CC	_	13	cc	_	_
13	warn	warn	VERB	VB	VerbForm=Inf	9	conj	_	_
14	that	that	SCONJ	IN	_	16	mark	_	_
15	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	16	nsubj	_	_
16	taste	taste	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	ccomp	_	Agree=R7-rel-agree|Haiku=13:advcl
17	nasty	nasty	ADJ	JJ	Degree=Pos	16	xcomp	_	_
18	,	,	PUNCT	,	_	23	punct	_	_
19	and	and	CCONJ	CC	_	23	cc	_	_
20	some	some	DET	DT	PronType=Ind	21	det	_	_
21	moths	moth	NOUN	NNS	Number=Plur	23	nsubj	_	_
22	can	can	AUX	MD	VerbForm=Fin	23	aux	_	_
23	hear	hear	VERB	VB	VerbForm=Inf	4	conj	_	Agree=R5-strong|Haiku=9:conj
24	bats	bat	NOUN	NNS	Number=Plur	23	obj	_	_
25	and	and	CCONJ	CC	_	26	cc	_	_
26	dive	dive	VERB	VB	VerbForm=Inf	23	conj	_	_
27	away	away	ADV	RB	_	26	advmod	_	_
28	;	;	PUNCT	,	_	31	punct	_	_
29	the	the	DET	DT	Definite=Def|PronType=Art	31	det	_	_
30	fluffy	fluffy	ADJ	JJ	Degree=Pos	31	amod	_	_
31	scales	scale	NOUN	NNS	Number=Plur	37	nsubj	_	_
32	on	on	ADP	IN	_	36	case	_	_
33	some	some	DET	DT	PronType=Ind	34	det	_	_
34	moths	moth	NOUN	NNS	Number=Plur	36	nmod:poss	_	Agree=R7-rel-agree|Haiku=36:compound
35	'	's	PART	POS	_	34	case	_	_
36	wings	wing	NOUN	NNS	Number=Plur	31	nmod	_	_
37	soak	soak	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	Agree=R8-pos-agree|Haiku=4:parataxis|HaikuPos=VERB:VB:VerbForm=Inf
38	up	up	ADP	RP	_	37	compound:prt	_	_
39	sound	sound	NOUN	NN	Number=Sing	37	obj	_	_
40	,	,	PUNCT	,	_	44	punct	_	_
41	so	so	ADV	RB	_	44	advmod	_	_
42	the	the	DET	DT	Definite=Def|PronType=Art	43	det	_	_
43	bat	bat	NOUN	NN	Number=Sing	44	nsubj	_	_
44	hears	hear	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
45	less	less	ADJ	JJR	Degree=Cmp	46	amod	_	_
46	echo	echo	NOUN	NN	Number=Sing	44	obj	_	_
47	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **click back** | present | some tiger moths |  |  | bats |  |  | vn sound\_emission-43.2 «NP V PP.location»: agent=Theme at bat=Location |
| 2 | **jam** | to-infinitive | some tiger moths *not said here* | calls's echoes |  |  |  |  | vn spray-9.7-1-1 «NP.theme V NP»: agent=Theme echo=Destination |
| 3 | **warn** *speech: warn* | infinitive | some tiger moths *not said here* |  |  |  |  |  | vn advise-37.9-1 «NP V that S»: agent=Agent clause=Topic |
| 4 | **taste** | present | calls *= call* |  |  |  |  | nasty *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |
| 5 | **hear** | can | some moths | bats |  |  |  |  | vn see-30.1-1-1 «NP V S»: agent=Experiencer bat=Stimulus |
| 6 | **dive away** | infinitive | some moths *not said here* |  |  |  |  | away *property* | vn calibratable\_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |
| 7 | **soak up** | present | the fluffy scales on some moths's wings | sound |  |  |  |  | vn wipe\_manner-10.4.1 «NP V NP.source»: agent=Agent sound=Source |
| 8 | **hear** | present | the bat | less echo |  |  |  |  | vn see-30.1-1-1 «NP V S»: agent=Experiencer echo=Stimulus |

<!-- .note -->
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.

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**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:229-echolocation-how-bats-see-with-sound.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): R5-strong ×1, R7-rel-agree ×2, R8-pos-agree ×2. **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/).

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