: Amgueddfeydd, Arddangosfeydd a Digwyddiadau

Rydym ni wedi bod wrthi'n gosod y trawslathau yr wythnos hon. Dyma fydd yn cynnal y to gwellt. Mae diddordeb mawr gen i yn y broses hon. Roedd Dafydd, Tim ac Andy yn ddigon caredig i adael i mi helpu! Byddaf yn y Pentref rhwng dydd Llun a dydd Iau yn ystod hanner tymor. Dewch draw i weld y gwaith.

One of the peregrine chicks has died. We are now down to three chicks in the nest.  

Staff, and our peregrine-cam visitors, noticed yesterday that there were only two chicks in the nest. So our first thought was that we had lost two!  

Luckily the third chick returned to the nest in the evening after having been on a journey around the clock tower ledge.  

Today the RSPB project officer has spent the day looking for the fourth chick, but to no avail. It seems unlikely that the chick is still alive.  

One possible explanation is that the chick was the weakest of the four, and that the hot weather over the last few days has been too much for it to cope.  

The three remaining chicks look very healthy and have a very good chance of surviving, particularly as the weather seems to be getting cooler.

Last week our Museum photographer took some stunning pictures of the peregrines from the Museum's roof. We hired a 600mm F4 lens with a 2x converter to enable us to zoom in to the nest.

Here are some images of the 4 chicks and the parents feeding the chicks.

Rwy'n dechrau teimlo'n gyffrous nawr a'r adeilad yn magu to. Gallwch chi ddychmygu sut siap fydd arno pan fydd Dafydd a'r criw wedi gorffen y gwaith.

Roedd digon i Dafydd feddwl amdano. Aeth y chwech traws cyntaf i fyny yn eithaf di ffwdan ond wedyn roedd yn rhaid ystyried y lle gorau i osod y trawstiau cadwynog. Penderfynodd Dafydd eu gosod y tu allan i'r prif drawstiau. I wybod pam darllenwch ei ddyddiadur

Aeth y llwyth nesaf o drawstiau i fyny'n eithaf cyflym. Roedden nhw wedi cael eu rhicio fel bod modd iddynt fachu'r gadwyn. Llinyn wedi ei dario sy'n eu rhwymo ynghyd. Gosododd Dafydd ail gyfers o drawstiau cadwynog tua gwaelod y to. Cyn hir fe fyddwn yn gosod y to gwellt.

Darllenwch ddyddiadur Dafydd http://www.theroundhouse.org/dafsdiary.htm

Some superb views of the adults feeding the 4 chicks today.

 After last year's disappointment having 4 chicks this year is fantastic and they all look very healthy.

 They are growing rapidly so keep watching to see how they are doing.