An analysis of 65 bird species in the United Kingdom shows about one-third are laying their eggs four to seven days earlier than they did 25 years ago.
1	An	a	DET	DT	Definite=Ind|PronType=Art	2	det	2:det	_
2	analysis	analysis	NOUN	NN	Number=Sing	11	nsubj	11:nsubj	_
3	of	of	ADP	IN	_	6	case	6:case	_
4	65	65	NUM	CD	NumForm=Digit|NumType=Card	6	nummod	6:nummod	_
5	bird	bird	NOUN	NN	Number=Sing	6	compound	6:compound	_
6	species	species	NOUN	NNS	Number=Plur	2	nmod	2:nmod:of	_
7	in	in	ADP	IN	_	10	case	10:case	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	10:det	_
9	United	United	ADJ	NNP	Degree=Pos	10	amod	10:amod	_
10	Kingdom	Kingdom	PROPN	NNP	Number=Sing	6	nmod	6:nmod:in	_
11	shows	show	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
12	about	about	ADV	RB	_	15	advmod	15:advmod	_
13	one	one	NUM	CD	NumForm=Word|NumType=Card	15	nummod	15:nummod	SpaceAfter=No
14	-	-	PUNCT	HYPH	_	15	punct	15:punct	SpaceAfter=No
15	third	third	NOUN	NN	Number=Sing|NumForm=Word|NumType=Frac	17	nsubj	17:nsubj	_
16	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	17	aux	17:aux	_
17	laying	lay	VERB	VBG	Tense=Pres|VerbForm=Part	11	ccomp	11:ccomp	_
18	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	19	nmod:poss	19:nmod:poss	_
19	eggs	egg	NOUN	NNS	Number=Plur	17	obj	17:obj	_
20	four	four	NUM	CD	NumForm=Word|NumType=Card	23	nummod	23:nummod	_
21	to	to	ADP	IN	_	22	case	22:case	_
22	seven	seven	NUM	CD	NumForm=Word|NumType=Card	20	nmod	20:nmod:to	_
23	days	day	NOUN	NNS	Number=Plur	24	obl:npmod	24:obl:npmod	_
24	earlier	early	ADV	RBR	Degree=Cmp	17	advmod	17:advmod	_
25	than	than	SCONJ	IN	_	27	mark	27:mark	_
26	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	27	nsubj	27:nsubj	_
27	did	do	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	24	advcl	24:advcl	_
28	25	25	NUM	CD	NumForm=Digit|NumType=Card	29	nummod	29:nummod	_
29	years	year	NOUN	NNS	Number=Plur	30	obl:npmod	30:obl:npmod	_
30	ago	ago	ADV	RB	_	27	advmod	27:advmod	SpaceAfter=No
31	.	.	PUNCT	.	_	11	punct	11:punct	_
