Thursday 9 May 2024

Breeding Birds

It's May, and migration, what there is of it, is in full swing, and so is nesting activity. Since my last post I have been busy, and it has been mainly concerning breeding birds. 

Nearly a fortnight ago, Gail and I visited the Nature Park to see if we could get into our ringing area yet amongst the reeds and Willow scrub, and the short answer is that we couldn't. The water levels had dropped, but not enough. Perhaps another couple of weeks. 
The water levels are now dropping
There was a selection of birds in song, including three Cetti's Warblers, two Sedge Warblers, a Great Tit, a Blackcap, a Song Thrush, three Whitethroats, a Reed Warbler, a Chiffchaff, two Skylarks and a Wren

I mentioned in a previous post about some sort of work being carried out on the adjacent landfill site, and bathing on the pools this morning were 129 Herring Gulls, a Great Black-backed Gull and seven Lesser Black-backed Gulls

We had our first chicks out of the nest on our walk round, and these were a pair of Coots with two young, and a pair of Mallards with 8 young. Other birds on the pools included ten Greylag Geese, six Canada Geese, ten Coots, two Little Grebes, nine Tufted Ducks, a Grey Heron, six Mallards and two Moorhens

The Gull raptor alarm call went up, and birds started lifting off the pools to intercept the perceived intruder(s), but it was just two Buzzards that all the excitement was about. Talking of raptors, later in the day I had a female Sparrowhawk drift high east over the garden, and then an obvious local bird, in the form of a male shot through the garden. I just thought I'd mention that our Hedgehog visits every night still. 

The following day, Gail and I headed to my client's farm in Bowland to check on the Lapwing nests that we had put cameras on five days earlier. The first nest looked good, and from the car we could still see the female sitting, so no need to go into the field. On an adjacent field, there was another pair of Lapwings that were chasing everything off that dared to come near, or fly over, but we failed to locate the nest. However, we did have some great views of a Brown Hare, that allowed me to take the photos below. 
Brown Hare (above & below)


We checked the location of the second camera that was covering two nests, but we could only see one adult sitting. A quick check of the nests, and we could only find one nest with two warm eggs in, and failed to locate the other. Failing to locate a known nest, generally means that it has been predated. We left the camera in situ, and hoped that it had picked something up when we retrieve it next time. On our way back to the car, we set up another camera overlooking a track through a hedge, to see if any predators, such as Foxes were in the area.

A few observations, as we mainly drove round the farm, included ten Willow Warblers (eight singing), a male Kestrel, eight Brown Hares and a Song Thrush. Of course, the soundtrack to our visit was displaying Curlews and Lapwings, and drumming Snipe. Lovely. 

The following day Gail and I were at our good friends, Robert and Diana's farm near Nateby, to check, and hopefully ring some Tawny Owl chicks. We have three boxes up for Tawny Owls in the woodland on the farm, but often they are occupied by Grey Squirrels. However, in this particular box on the edge of some lovely wet woodland, a Tawny Owl has been noted coming out of the box on and off all winter, so we were hopeful. 

A few days previously, Robert and Diana had been down in the woodland preparing an area for the forest school they run, and had walked past the Tawny box and could hear young calling! We opened the box, and sure enough there were two healthy looking Tawny Owl chicks, about 2 - 3 weeks old, although I am no expert on Tawny Owl chick age. The two birds were duly ringed, and placed back in the box. 
Tawny Owl (above & below)


We walked through the wet woodland and crossed over in to a drier area of woodland, that looked beautiful with all the Bluebells in flower. Here we located an active Buzzard nest, and we also noted that the Kestrels were occupying their box as well. So, we just need to know how the Barn Owls are doing, and we can say that at least four pairs of raptors are nesting on the farm. 
We also had three Chiffchaffs and four Blackcaps singing, and found a Greylag Goose sat on four eggs. All good stuff. 

I've got three Breeding Bird Surveys (BBS) to do workwise this spring/summer, and they have been late commissions, so the one close to home near Poulton-Le-Fylde didn't get its first visit until about ten days ago. Even though it required an 0430 alarm call, it was great to be out in the glorious sunshine, with no wind and a touch of ground frost. 

I didn't record anything spectacular, but there was plenty of birds singing, including eight Chiffchaffs, two Willow Warblers, a Song Thrush, 16 Wrens, a Lesser Whitethroat, a Grasshopper Warbler and two Blackcaps. I recorded nine Little Egrets and nine Grey Herons, a few of which were perched up in some trees adjacent to the site I was surveying. I wasn't sure whether it was roosting behaviour, or a potential nest site, time will tell. 

The following morning, Gail and I were at the second of the BBS sites that I have to do, and this time we were south of the River Ribble in West Lancashire, not too far from Burscough. This meant a 0400 alarm call, but again it was a gloriously sunny, and calm morning. 
Again, there was plenty singing, including seven Dunnocks, ten Wrens, five Robins, two Yellowhammers, three Blackcaps, a Whitethroat, two Chiffchaffs and a Song Thrush. There was quite a few Linnets on site, and we recorded at least 20, and a Song Thrush carrying food is proof of a successful local nesting attempt. A Snipe, near a wet flush was a bit of a surprise, and not far from here we found a hairy caterpillar. I can't carry lots of field guides with me, so I didn't have my copy of the Field Guide to the Caterpillars of Great Britain and Ireland (2020), by Barry Henwood and Phil Sterling, and illustrated by the master of invertebrate illustration, Richard Lewington, to hand. So, it was a case of using the internet, and we fairly confidently identified it as a caterpillar of the beautiful moth, Ruby Tiger. By the way, the caterpillar field guide is superb!  
Ruby Tiger caterpillar
A week ago, I was back at my client's farm in Bowland working with some RSPB colleagues on Curlews. We split up into two teams to see if we could locate any Curlew nests, so that electric predator proof fencing could be erected around the nest. This will be done to improve the chance of a successful nesting attempt, and once the chicks have hatched, the RSPB will be fitting radio transmitters to the chicks so that they can be followed to see what the outcome is. This will hopefully provide us with some essential information on chick survival.

Hilary and I had a look at the top half of the farm, and our other three colleagues looked at the bottom half. We found one pair of Curlews that we suspected were on eggs, judging by the way the female left the field quietly, and without calling, so as not to draw attention to the nest. Unfortunately, we failed to find the nest. We found other Curlews in several fields, but couldn't locate a nest.

We ringed a brood of three Lapwings, and sadly found the fourth chick dead in the field. This is one of the pairs that we had a camera on. Talking of cameras, one of my trail cams picked up a male Ring Ouzel on a few occasions, and you can see some images below. You will need to 'click' to enlarge to see this beautiful 'Mountain Blackbird'. 

The rest of the team found two Curlew nests with eggs, and we joined them to quickly erect the predator fence. We watched from a good distance, and both females returned to the nest to continue with their incubation. Later in the day, a third nest was found, and this was fenced the following day.
Electric fence protecting a Curlew nest
On our travels around the farm, we recorded a singing Cuckoo, eleven singing Willow Warblers, three Wheatears, a 'chacking' Ring Ouzel, and 20 Siskins.

The following day, Gail and I called in at the Nature Park to check on the water levels in our ringing area, and the water has dropped again. We suspect, that in about a weeks' time we should be able to get in to do some ringing, that's if we aren't too busy with breeding birds! 

We had a walk round, and again it's all about singing birds at the moment, and we had two Cetti's Warblers, five Sedge Warblers, a Song Thrush, two Reed Warblers, three Skylarks, two Grasshopper Warblers, and a Whitethroat. It was good to see that a pair of Stonechat are still about, and a female Sparrowhawk managed to slip through without upsetting the eight Lesser Black-backed Gulls and 92 Herring Gulls. 
Stonechat (female above & male below)

Five days ago, we carried out our first check of our Pied Flycatcher boxes in the Hodder Valley in Bowland. Our first impressions are that there are more males around than females, based on the number of singing male Pied Flycatchers versus occupied boxes. We had at least six males singing on site, but only three boxes occupied. I suspect over the next couple of weeks this will change. Other occupants of the boxes were a Nuthatch, six Tit sp. (Blue/Great), three Blue Tits and five Great Tits. We also had one box occupied by a queen Wasp sp., and another by Tree Bumblebees, all welcome. 

The first Pied Flycatcher eggs of the year

We also had a Garden Warbler, three Blackcaps, a Goldcrest, a Chiffchaff, and two Common Sandpipers on the river. We also found a Buzzards nest high up in a Scots Pine. Wandering through the woodland, with eyes cast occasionally to the floor, we recorded Bluebell, Lesser Celandine, Wood Speedwell, Herb Robert, Wood-sorrel, Ramsons, Dog's Mercury, Bugle, Red Campion, Lesser Stitchwort, Early Dog Violet, Water Avens and Wood Forget-me-not, all flowering. All good indicators of ancient semi-natural woodland. Oh, and we had plenty of male Orange-tip butterflies on the wing as well. 

At weekend I had a migration 'fix' with three hours at the coastal farm fields at Larkholme. I was there just after sunrise, and there was a light southerly breeze and full cloud cover. Further out to sea it was a bit murky, and I suspect this was hampering some of the vis and sea passage.

Just as I was walking to my vantage point overlooking both the sea and the farm fields, I had 370 Pink-footed Geese heading north, and a further 110 later on at sea. This got me thinking that it was probably only June and July, and sometimes August, that you can't see Pink-footed Geese somewhere in Lancashire! 
Pink-footed Geese overhead (above), and over the sea (below)


The rest of the vis was made up of 14 Swallows, two Linnets, two Whimbrel and two Alba Wags. Before I get into more birds, I also had a lovely Harbour Porpoise close-in. I say close-in, I had great views through my scope, but it wasn't close enough for a pic. It was the same with the summer plumaged Red-throated Divers that I had.

The main feature on the sea, or should I say above, was the passage of Sandwich Terns. I had 146, all heading south. Some would stop and feed, hovering and then diving into the water. Some fishing attempts were successful, others weren't. 

As I've hinted at above, the other highlight was the three summer plumaged Red-throated Divers that I had on the 'mill pond' of a sea, and I had a couple more head north. The supporting cast included 143 Common Scoters, a male Eider, two male Mallards, 40 Dunlin south, 21 Gannets, an Auk sp., and a male Teal.
Mallards on the sea
As the tide ran in, Turnstones started gathering on the rock groynes until these too were covered, and my peak count was 76. I also had three Sanderlings and 86 Oystercatchers

Turnstones (above & below)

Not many rocks left now for the Turnstones to roost on
The  most obvious grounded migrants this morning were the nine male and six female Wheatears that I had. On my walk round the farm fields, I recorded four Whitethroats, three Sedge Warblers, a Lesser Whitethroat and two Willow Warblers, but some of these will undoubtedly have been breeders on the site. 
Wheatear(s) (above & below)

 I've had my moth trap out a few times recently, but it has been quiet with just the odd Garden Carpet, Early Grey, Light Brown Apple Moth, Cabbage Moth, several Carcina quercanas and a few Caddisflies, probably Limnephilus auricula
Cabbage Moth
It's going to be about more breeding birds over the next few weeks, and before we know it, we'll be in to autumn!

1 comment:

John said...

Good blog as always. Interesting & educational. Keep up the good work, even if it means a 4am alarm!!!!