April was relatively mild and mostly dry, until the final week when temperatures dropped and the weather turned wet. Conditions were excellent for migration watchers and birders were rewarded with sightings of six Ospreys, record counts of Wheatears and a good haul of Ring Ouzels.
An Osprey was seen fishing in Lower Barden Reservoir on 3rd April and the following day two more singles, one at Bradup and another over Hazlewood Moor, were seen flying north. On the 13th, one flew near Scargill Reservoir and on the same day another was seen from Barden Scale. The final sighting was of a single, this time over Keighley Moor (19th).
A huge passage of over 300 Wheatears were recorded during the month with double-figure counts reported at Slippery Ford, Warley Moor Reservoir, Whetstone Gate and Glovershaw. On the 4th, a male Ring Ouzel was seen at Slippery Ford. There were then almost daily reports of up to five of this species, some of which could be seen from near the car park.
Two Yellow Wagtails visited a Hazlewood garden on the early date of 21st, and a Grasshopper Warbler spent an evening reeling from a bramble patch alongside the Glen Road, Baildon. A Cuckoo was in full voice singing from trees and wires on the edge of Baildon Moor (20th), this was followed by reports of others at Slippery Ford, Strid Wood, Ben Rhydding, and Barden Moor.
Two Whimbrel were brief visitors to Warley Moor Reservoir (11th) and the developing shoreline at Thornton Moor Reservoir encouraged a couple of Ringed Plovers (9th)). Common Sandpipers were established at both these sites and also at Keighley Moor.
A Whinchat was located on Barden Moor at the end of the month, and four pairs of Stonechats had been recorded in the area: two at Whetstone Gate, one at Keighley Moor and the other on Sandwith Moor and
At the beginning of the there were two reports of flocks of about 100 Fieldfares and two large roosts of Golden Plover: 260 at Moorside Lane, Oxenhope, only surpassed by 330 at Reva Reservoir on the 18th.
Barn Owls, Short-eared Owls, Long-eared Owls and a single Marsh Harrier were all reported by members over the course of the month.